Home / 307,851.12-424,722.35-180,502.11

Finding the Fourth Proportional to 307,851.12, 424,722.35 and 180,502.11

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Solution

The fourth proportional to 307,851.12, 424,722.35 and 180,502.11 is: 249,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,851.12 : 424,722.35 = 180,502.11 : x
  2. Step 2: Convert to fraction form
    307,851.12/424,722.35 = 180,502.11/x
  3. Step 3: Cross multiply
    307,851.12x = 424,722.35 × 180,502.11
  4. Step 4: Simplify right side
    307,851.12x = 76,663,280,790.41
  5. Step 5: Solve for x
    x = 76,663,280,790.41/307,851.12
  6. Step 6: Final answer
    x = 249,027.13

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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.