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Finding the Fourth Proportional to 364,079.58, 502,418.19 and 228,186.90

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Solution

The fourth proportional to 364,079.58, 502,418.19 and 228,186.90 is: 314,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,079.58 : 502,418.19 = 228,186.90 : x
  2. Step 2: Convert to fraction form
    364,079.58/502,418.19 = 228,186.90/x
  3. Step 3: Cross multiply
    364,079.58x = 502,418.19 × 228,186.90
  4. Step 4: Simplify right side
    364,079.58x = 114,645,249,279.71
  5. Step 5: Solve for x
    x = 114,645,249,279.71/364,079.58
  6. Step 6: Final answer
    x = 314,890.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.