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Finding the Fourth Proportional to 364,309.94, 502,783.85 and 272,269.37

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Solution

The fourth proportional to 364,309.94, 502,783.85 and 272,269.37 is: 375,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,309.94 : 502,783.85 = 272,269.37 : x
  2. Step 2: Convert to fraction form
    364,309.94/502,783.85 = 272,269.37/x
  3. Step 3: Cross multiply
    364,309.94x = 502,783.85 × 272,269.37
  4. Step 4: Simplify right side
    364,309.94x = 136,892,642,085.67
  5. Step 5: Solve for x
    x = 136,892,642,085.67/364,309.94
  6. Step 6: Final answer
    x = 375,758.73

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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.