Home / 315,030.30-472,545.45-310,883.10

Finding the Fourth Proportional to 315,030.30, 472,545.45 and 310,883.10

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Solution

The fourth proportional to 315,030.30, 472,545.45 and 310,883.10 is: 466,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,030.30 : 472,545.45 = 310,883.10 : x
  2. Step 2: Convert to fraction form
    315,030.30/472,545.45 = 310,883.10/x
  3. Step 3: Cross multiply
    315,030.30x = 472,545.45 × 310,883.10
  4. Step 4: Simplify right side
    315,030.30x = 146,906,394,386.90
  5. Step 5: Solve for x
    x = 146,906,394,386.90/315,030.30
  6. Step 6: Final answer
    x = 466,324.65

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1.5x scale

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.