Home / 385,613.10-578,246.85-148,877.10

Finding the Fourth Proportional to 385,613.10, 578,246.85 and 148,877.10

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Solution

The fourth proportional to 385,613.10, 578,246.85 and 148,877.10 is: 223,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,613.10 : 578,246.85 = 148,877.10 : x
  2. Step 2: Convert to fraction form
    385,613.10/578,246.85 = 148,877.10/x
  3. Step 3: Cross multiply
    385,613.10x = 578,246.85 × 148,877.10
  4. Step 4: Simplify right side
    385,613.10x = 86,087,714,112.14
  5. Step 5: Solve for x
    x = 86,087,714,112.14/385,613.10
  6. Step 6: Final answer
    x = 223,248.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.