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Finding the Fourth Proportional to 173,348, 260,022 and 42,020

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Solution

The fourth proportional to 173,348, 260,022 and 42,020 is: 63,030

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,348 : 260,022 = 42,020 : x
  2. Step 2: Convert to fraction form
    173,348/260,022 = 42,020/x
  3. Step 3: Cross multiply
    173,348x = 260,022 × 42,020
  4. Step 4: Simplify right side
    173,348x = 10,926,124,440
  5. Step 5: Solve for x
    x = 10,926,124,440/173,348
  6. Step 6: Final answer
    x = 63,030

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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.