Home / 402,113.08-554,894.40-230,034.46

Finding the Fourth Proportional to 402,113.08, 554,894.40 and 230,034.46

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Solution

The fourth proportional to 402,113.08, 554,894.40 and 230,034.46 is: 317,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,113.08 : 554,894.40 = 230,034.46 : x
  2. Step 2: Convert to fraction form
    402,113.08/554,894.40 = 230,034.46/x
  3. Step 3: Cross multiply
    402,113.08x = 554,894.40 × 230,034.46
  4. Step 4: Simplify right side
    402,113.08x = 127,644,833,661.02
  5. Step 5: Solve for x
    x = 127,644,833,661.02/402,113.08
  6. Step 6: Final answer
    x = 317,435.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.