Home / 459,711.60-689,567.40-223,515.60

Finding the Fourth Proportional to 459,711.60, 689,567.40 and 223,515.60

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Solution

The fourth proportional to 459,711.60, 689,567.40 and 223,515.60 is: 335,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,711.60 : 689,567.40 = 223,515.60 : x
  2. Step 2: Convert to fraction form
    459,711.60/689,567.40 = 223,515.60/x
  3. Step 3: Cross multiply
    459,711.60x = 689,567.40 × 223,515.60
  4. Step 4: Simplify right side
    459,711.60x = 154,129,071,151.44
  5. Step 5: Solve for x
    x = 154,129,071,151.44/459,711.60
  6. Step 6: Final answer
    x = 335,273.40

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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.