Home / 236,493.40-354,740.10-130,205.20

Finding the Fourth Proportional to 236,493.40, 354,740.10 and 130,205.20

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Solution

The fourth proportional to 236,493.40, 354,740.10 and 130,205.20 is: 195,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,493.40 : 354,740.10 = 130,205.20 : x
  2. Step 2: Convert to fraction form
    236,493.40/354,740.10 = 130,205.20/x
  3. Step 3: Cross multiply
    236,493.40x = 354,740.10 × 130,205.20
  4. Step 4: Simplify right side
    236,493.40x = 46,189,005,668.52
  5. Step 5: Solve for x
    x = 46,189,005,668.52/236,493.40
  6. Step 6: Final answer
    x = 195,307.80

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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.