Home / 257,046.14-385,569.22-70,085.18

Finding the Fourth Proportional to 257,046.14, 385,569.22 and 70,085.18

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Solution

The fourth proportional to 257,046.14, 385,569.22 and 70,085.18 is: 105,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,046.14 : 385,569.22 = 70,085.18 : x
  2. Step 2: Convert to fraction form
    257,046.14/385,569.22 = 70,085.18/x
  3. Step 3: Cross multiply
    257,046.14x = 385,569.22 × 70,085.18
  4. Step 4: Simplify right side
    257,046.14x = 27,022,688,186.16
  5. Step 5: Solve for x
    x = 27,022,688,186.16/257,046.14
  6. Step 6: Final answer
    x = 105,127.77

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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.