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Finding the Fourth Proportional to 376,779.60, 520,092.54 and 249,496.20

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Solution

The fourth proportional to 376,779.60, 520,092.54 and 249,496.20 is: 344,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,779.60 : 520,092.54 = 249,496.20 : x
  2. Step 2: Convert to fraction form
    376,779.60/520,092.54 = 249,496.20/x
  3. Step 3: Cross multiply
    376,779.60x = 520,092.54 × 249,496.20
  4. Step 4: Simplify right side
    376,779.60x = 129,761,112,378.35
  5. Step 5: Solve for x
    x = 129,761,112,378.35/376,779.60
  6. Step 6: Final answer
    x = 344,395.27

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1.5x scale

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.