Home / 287,445.23-430,840.88-174,877.30

Finding the Fourth Proportional to 287,445.23, 430,840.88 and 174,877.30

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Solution

The fourth proportional to 287,445.23, 430,840.88 and 174,877.30 is: 262,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,445.23 : 430,840.88 = 174,877.30 : x
  2. Step 2: Convert to fraction form
    287,445.23/430,840.88 = 174,877.30/x
  3. Step 3: Cross multiply
    287,445.23x = 430,840.88 × 174,877.30
  4. Step 4: Simplify right side
    287,445.23x = 75,344,291,478.68
  5. Step 5: Solve for x
    x = 75,344,291,478.68/287,445.23
  6. Step 6: Final answer
    x = 262,117.04

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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.