Home / 289,030.80-433,254.60-131,372.40

Finding the Fourth Proportional to 289,030.80, 433,254.60 and 131,372.40

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Solution

The fourth proportional to 289,030.80, 433,254.60 and 131,372.40 is: 196,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,030.80 : 433,254.60 = 131,372.40 : x
  2. Step 2: Convert to fraction form
    289,030.80/433,254.60 = 131,372.40/x
  3. Step 3: Cross multiply
    289,030.80x = 433,254.60 × 131,372.40
  4. Step 4: Simplify right side
    289,030.80x = 56,917,696,613.04
  5. Step 5: Solve for x
    x = 56,917,696,613.04/289,030.80
  6. Step 6: Final answer
    x = 196,926.06

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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.