Home / 261,017.40-391,526.10-160,852.80

Finding the Fourth Proportional to 261,017.40, 391,526.10 and 160,852.80

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Solution

The fourth proportional to 261,017.40, 391,526.10 and 160,852.80 is: 241,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,017.40 : 391,526.10 = 160,852.80 : x
  2. Step 2: Convert to fraction form
    261,017.40/391,526.10 = 160,852.80/x
  3. Step 3: Cross multiply
    261,017.40x = 391,526.10 × 160,852.80
  4. Step 4: Simplify right side
    261,017.40x = 62,978,069,458.08
  5. Step 5: Solve for x
    x = 62,978,069,458.08/261,017.40
  6. Step 6: Final answer
    x = 241,279.20

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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.