Home / 459,343.46-689,030.58-159,849.20

Finding the Fourth Proportional to 459,343.46, 689,030.58 and 159,849.20

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Solution

The fourth proportional to 459,343.46, 689,030.58 and 159,849.20 is: 239,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,343.46 : 689,030.58 = 159,849.20 : x
  2. Step 2: Convert to fraction form
    459,343.46/689,030.58 = 159,849.20/x
  3. Step 3: Cross multiply
    459,343.46x = 689,030.58 × 159,849.20
  4. Step 4: Simplify right side
    459,343.46x = 110,140,986,988.54
  5. Step 5: Solve for x
    x = 110,140,986,988.54/459,343.46
  6. Step 6: Final answer
    x = 239,779.16

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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.