Home / 459,810.64-689,719.80-160,290.74

Finding the Fourth Proportional to 459,810.64, 689,719.80 and 160,290.74

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Solution

The fourth proportional to 459,810.64, 689,719.80 and 160,290.74 is: 240,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,810.64 : 689,719.80 = 160,290.74 : x
  2. Step 2: Convert to fraction form
    459,810.64/689,719.80 = 160,290.74/x
  3. Step 3: Cross multiply
    459,810.64x = 689,719.80 × 160,290.74
  4. Step 4: Simplify right side
    459,810.64x = 110,555,693,483.41
  5. Step 5: Solve for x
    x = 110,555,693,483.41/459,810.64
  6. Step 6: Final answer
    x = 240,437.44

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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.