Home / 459,937.19-690,020.60-160,422.07

Finding the Fourth Proportional to 459,937.19, 690,020.60 and 160,422.07

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Solution

The fourth proportional to 459,937.19, 690,020.60 and 160,422.07 is: 240,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,937.19 : 690,020.60 = 160,422.07 : x
  2. Step 2: Convert to fraction form
    459,937.19/690,020.60 = 160,422.07/x
  3. Step 3: Cross multiply
    459,937.19x = 690,020.60 × 160,422.07
  4. Step 4: Simplify right side
    459,937.19x = 110,694,532,994.64
  5. Step 5: Solve for x
    x = 110,694,532,994.64/459,937.19
  6. Step 6: Final answer
    x = 240,673.15

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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.