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Finding the Fourth Proportional to 369,575.21, 509,926.43 and 224,377.31

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Solution

The fourth proportional to 369,575.21, 509,926.43 and 224,377.31 is: 309,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,575.21 : 509,926.43 = 224,377.31 : x
  2. Step 2: Convert to fraction form
    369,575.21/509,926.43 = 224,377.31/x
  3. Step 3: Cross multiply
    369,575.21x = 509,926.43 × 224,377.31
  4. Step 4: Simplify right side
    369,575.21x = 114,415,916,989.79
  5. Step 5: Solve for x
    x = 114,415,916,989.79/369,575.21
  6. Step 6: Final answer
    x = 309,587.64

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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.