Home / 459,936.19-690,019.10-160,421.07

Finding the Fourth Proportional to 459,936.19, 690,019.10 and 160,421.07

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Solution

The fourth proportional to 459,936.19, 690,019.10 and 160,421.07 is: 240,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,936.19 : 690,019.10 = 160,421.07 : x
  2. Step 2: Convert to fraction form
    459,936.19/690,019.10 = 160,421.07/x
  3. Step 3: Cross multiply
    459,936.19x = 690,019.10 × 160,421.07
  4. Step 4: Simplify right side
    459,936.19x = 110,693,605,631.85
  5. Step 5: Solve for x
    x = 110,693,605,631.85/459,936.19
  6. Step 6: Final answer
    x = 240,671.66

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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.