Home / 353,120.01-487,412.33-240,008.37

Finding the Fourth Proportional to 353,120.01, 487,412.33 and 240,008.37

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Solution

The fourth proportional to 353,120.01, 487,412.33 and 240,008.37 is: 331,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,120.01 : 487,412.33 = 240,008.37 : x
  2. Step 2: Convert to fraction form
    353,120.01/487,412.33 = 240,008.37/x
  3. Step 3: Cross multiply
    353,120.01x = 487,412.33 × 240,008.37
  4. Step 4: Simplify right side
    353,120.01x = 116,983,038,841.20
  5. Step 5: Solve for x
    x = 116,983,038,841.20/353,120.01
  6. Step 6: Final answer
    x = 331,284.08

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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.