Home / 315,030.40-472,545.60-226,456.90

Finding the Fourth Proportional to 315,030.40, 472,545.60 and 226,456.90

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Solution

The fourth proportional to 315,030.40, 472,545.60 and 226,456.90 is: 339,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,030.40 : 472,545.60 = 226,456.90 : x
  2. Step 2: Convert to fraction form
    315,030.40/472,545.60 = 226,456.90/x
  3. Step 3: Cross multiply
    315,030.40x = 472,545.60 × 226,456.90
  4. Step 4: Simplify right side
    315,030.40x = 107,011,211,684.64
  5. Step 5: Solve for x
    x = 107,011,211,684.64/315,030.40
  6. Step 6: Final answer
    x = 339,685.35

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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.