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Finding the Fourth Proportional to 364,403.35, 502,877.39 and 203,254.25

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Solution

The fourth proportional to 364,403.35, 502,877.39 and 203,254.25 is: 280,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,403.35 : 502,877.39 = 203,254.25 : x
  2. Step 2: Convert to fraction form
    364,403.35/502,877.39 = 203,254.25/x
  3. Step 3: Cross multiply
    364,403.35x = 502,877.39 × 203,254.25
  4. Step 4: Simplify right side
    364,403.35x = 102,211,966,746.41
  5. Step 5: Solve for x
    x = 102,211,966,746.41/364,403.35
  6. Step 6: Final answer
    x = 280,491.29

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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.