Home / 247,946.80-371,920.20-153,252.40

Finding the Fourth Proportional to 247,946.80, 371,920.20 and 153,252.40

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Solution

The fourth proportional to 247,946.80, 371,920.20 and 153,252.40 is: 229,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,946.80 : 371,920.20 = 153,252.40 : x
  2. Step 2: Convert to fraction form
    247,946.80/371,920.20 = 153,252.40/x
  3. Step 3: Cross multiply
    247,946.80x = 371,920.20 × 153,252.40
  4. Step 4: Simplify right side
    247,946.80x = 56,997,663,258.48
  5. Step 5: Solve for x
    x = 56,997,663,258.48/247,946.80
  6. Step 6: Final answer
    x = 229,878.60

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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.