Home / 459,574.29-689,379.98-160,085.16

Finding the Fourth Proportional to 459,574.29, 689,379.98 and 160,085.16

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Solution

The fourth proportional to 459,574.29, 689,379.98 and 160,085.16 is: 240,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,574.29 : 689,379.98 = 160,085.16 : x
  2. Step 2: Convert to fraction form
    459,574.29/689,379.98 = 160,085.16/x
  3. Step 3: Cross multiply
    459,574.29x = 689,379.98 × 160,085.16
  4. Step 4: Simplify right side
    459,574.29x = 110,359,503,598.67
  5. Step 5: Solve for x
    x = 110,359,503,598.67/459,574.29
  6. Step 6: Final answer
    x = 240,134.20

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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.