Home / 342,022.50-513,041.04-117,381.96

Finding the Fourth Proportional to 342,022.50, 513,041.04 and 117,381.96

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Solution

The fourth proportional to 342,022.50, 513,041.04 and 117,381.96 is: 176,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,022.50 : 513,041.04 = 117,381.96 : x
  2. Step 2: Convert to fraction form
    342,022.50/513,041.04 = 117,381.96/x
  3. Step 3: Cross multiply
    342,022.50x = 513,041.04 × 117,381.96
  4. Step 4: Simplify right side
    342,022.50x = 60,221,762,835.64
  5. Step 5: Solve for x
    x = 60,221,762,835.64/342,022.50
  6. Step 6: Final answer
    x = 176,075.44

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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.