Home / 430,515.25-645,746.61-160,591.25

Finding the Fourth Proportional to 430,515.25, 645,746.61 and 160,591.25

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Solution

The fourth proportional to 430,515.25, 645,746.61 and 160,591.25 is: 240,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,515.25 : 645,746.61 = 160,591.25 : x
  2. Step 2: Convert to fraction form
    430,515.25/645,746.61 = 160,591.25/x
  3. Step 3: Cross multiply
    430,515.25x = 645,746.61 × 160,591.25
  4. Step 4: Simplify right side
    430,515.25x = 103,701,255,283.16
  5. Step 5: Solve for x
    x = 103,701,255,283.16/430,515.25
  6. Step 6: Final answer
    x = 240,877.08

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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.