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Finding the Fourth Proportional to 173,442.76, 260,175.48 and 53,485

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Solution

The fourth proportional to 173,442.76, 260,175.48 and 53,485 is: 80,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,442.76 : 260,175.48 = 53,485 : x
  2. Step 2: Convert to fraction form
    173,442.76/260,175.48 = 53,485/x
  3. Step 3: Cross multiply
    173,442.76x = 260,175.48 × 53,485
  4. Step 4: Simplify right side
    173,442.76x = 13,915,485,547.80
  5. Step 5: Solve for x
    x = 13,915,485,547.80/173,442.76
  6. Step 6: Final answer
    x = 80,231.00

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1.5x scale

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.