Home / 472,105.40-708,258.80-152,275.24

Finding the Fourth Proportional to 472,105.40, 708,258.80 and 152,275.24

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Solution

The fourth proportional to 472,105.40, 708,258.80 and 152,275.24 is: 228,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,105.40 : 708,258.80 = 152,275.24 : x
  2. Step 2: Convert to fraction form
    472,105.40/708,258.80 = 152,275.24/x
  3. Step 3: Cross multiply
    472,105.40x = 708,258.80 × 152,275.24
  4. Step 4: Simplify right side
    472,105.40x = 107,850,280,018.12
  5. Step 5: Solve for x
    x = 107,850,280,018.12/472,105.40
  6. Step 6: Final answer
    x = 228,445.35

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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.