Home / 265,269.49-397,908.36-147,688.18

Finding the Fourth Proportional to 265,269.49, 397,908.36 and 147,688.18

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Solution

The fourth proportional to 265,269.49, 397,908.36 and 147,688.18 is: 221,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,269.49 : 397,908.36 = 147,688.18 : x
  2. Step 2: Convert to fraction form
    265,269.49/397,908.36 = 147,688.18/x
  3. Step 3: Cross multiply
    265,269.49x = 397,908.36 × 147,688.18
  4. Step 4: Simplify right side
    265,269.49x = 58,766,361,495.18
  5. Step 5: Solve for x
    x = 58,766,361,495.18/265,269.49
  6. Step 6: Final answer
    x = 221,534.57

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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.