Home / 286,748.52-430,065.06-272,522.10

Finding the Fourth Proportional to 286,748.52, 430,065.06 and 272,522.10

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Solution

The fourth proportional to 286,748.52, 430,065.06 and 272,522.10 is: 408,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,748.52 : 430,065.06 = 272,522.10 : x
  2. Step 2: Convert to fraction form
    286,748.52/430,065.06 = 272,522.10/x
  3. Step 3: Cross multiply
    286,748.52x = 430,065.06 × 272,522.10
  4. Step 4: Simplify right side
    286,748.52x = 117,202,233,287.83
  5. Step 5: Solve for x
    x = 117,202,233,287.83/286,748.52
  6. Step 6: Final answer
    x = 408,728.29

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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.