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Finding the Fourth Proportional to 341,401.70, 512,102.55 and 173,440.10

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Solution

The fourth proportional to 341,401.70, 512,102.55 and 173,440.10 is: 260,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.70 : 512,102.55 = 173,440.10 : x
  2. Step 2: Convert to fraction form
    341,401.70/512,102.55 = 173,440.10/x
  3. Step 3: Cross multiply
    341,401.70x = 512,102.55 × 173,440.10
  4. Step 4: Simplify right side
    341,401.70x = 88,819,117,482.26
  5. Step 5: Solve for x
    x = 88,819,117,482.26/341,401.70
  6. Step 6: Final answer
    x = 260,160.15

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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.