Home / 353,172.40-529,746.88-153,493.04

Finding the Fourth Proportional to 353,172.40, 529,746.88 and 153,493.04

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Solution

The fourth proportional to 353,172.40, 529,746.88 and 153,493.04 is: 230,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,172.40 : 529,746.88 = 153,493.04 : x
  2. Step 2: Convert to fraction form
    353,172.40/529,746.88 = 153,493.04/x
  3. Step 3: Cross multiply
    353,172.40x = 529,746.88 × 153,493.04
  4. Step 4: Simplify right side
    353,172.40x = 81,312,459,041.72
  5. Step 5: Solve for x
    x = 81,312,459,041.72/353,172.40
  6. Step 6: Final answer
    x = 230,234.47

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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.