Home / 318,887.07-478,002.46-141,477.63

Finding the Fourth Proportional to 318,887.07, 478,002.46 and 141,477.63

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Solution

The fourth proportional to 318,887.07, 478,002.46 and 141,477.63 is: 212,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,887.07 : 478,002.46 = 141,477.63 : x
  2. Step 2: Convert to fraction form
    318,887.07/478,002.46 = 141,477.63/x
  3. Step 3: Cross multiply
    318,887.07x = 478,002.46 × 141,477.63
  4. Step 4: Simplify right side
    318,887.07x = 67,626,655,174.97
  5. Step 5: Solve for x
    x = 67,626,655,174.97/318,887.07
  6. Step 6: Final answer
    x = 212,070.86

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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.