Home / 282,442.30-423,735.16-130,748.74

Finding the Fourth Proportional to 282,442.30, 423,735.16 and 130,748.74

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Solution

The fourth proportional to 282,442.30, 423,735.16 and 130,748.74 is: 196,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,442.30 : 423,735.16 = 130,748.74 : x
  2. Step 2: Convert to fraction form
    282,442.30/423,735.16 = 130,748.74/x
  3. Step 3: Cross multiply
    282,442.30x = 423,735.16 × 130,748.74
  4. Step 4: Simplify right side
    282,442.30x = 55,402,837,917.15
  5. Step 5: Solve for x
    x = 55,402,837,917.15/282,442.30
  6. Step 6: Final answer
    x = 196,156.31

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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.