Home / 287,034.16-430,648.52-127,088.06

Finding the Fourth Proportional to 287,034.16, 430,648.52 and 127,088.06

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Solution

The fourth proportional to 287,034.16, 430,648.52 and 127,088.06 is: 190,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,034.16 : 430,648.52 = 127,088.06 : x
  2. Step 2: Convert to fraction form
    287,034.16/430,648.52 = 127,088.06/x
  3. Step 3: Cross multiply
    287,034.16x = 430,648.52 × 127,088.06
  4. Step 4: Simplify right side
    287,034.16x = 54,730,286,865.89
  5. Step 5: Solve for x
    x = 54,730,286,865.89/287,034.16
  6. Step 6: Final answer
    x = 190,675.17

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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.