Home / 296,977.40-445,520.10-97,242.20

Finding the Fourth Proportional to 296,977.40, 445,520.10 and 97,242.20

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Solution

The fourth proportional to 296,977.40, 445,520.10 and 97,242.20 is: 145,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,977.40 : 445,520.10 = 97,242.20 : x
  2. Step 2: Convert to fraction form
    296,977.40/445,520.10 = 97,242.20/x
  3. Step 3: Cross multiply
    296,977.40x = 445,520.10 × 97,242.20
  4. Step 4: Simplify right side
    296,977.40x = 43,323,354,668.22
  5. Step 5: Solve for x
    x = 43,323,354,668.22/296,977.40
  6. Step 6: Final answer
    x = 145,880.98

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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.