Home / 318,787.38-439,926.48-175,547.07

Finding the Fourth Proportional to 318,787.38, 439,926.48 and 175,547.07

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Solution

The fourth proportional to 318,787.38, 439,926.48 and 175,547.07 is: 242,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,787.38 : 439,926.48 = 175,547.07 : x
  2. Step 2: Convert to fraction form
    318,787.38/439,926.48 = 175,547.07/x
  3. Step 3: Cross multiply
    318,787.38x = 439,926.48 × 175,547.07
  4. Step 4: Simplify right side
    318,787.38x = 77,227,804,579.41
  5. Step 5: Solve for x
    x = 77,227,804,579.41/318,787.38
  6. Step 6: Final answer
    x = 242,254.90

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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.