Home / 367,031.05-550,382.55-142,316.80

Finding the Fourth Proportional to 367,031.05, 550,382.55 and 142,316.80

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Solution

The fourth proportional to 367,031.05, 550,382.55 and 142,316.80 is: 213,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.05 : 550,382.55 = 142,316.80 : x
  2. Step 2: Convert to fraction form
    367,031.05/550,382.55 = 142,316.80/x
  3. Step 3: Cross multiply
    367,031.05x = 550,382.55 × 142,316.80
  4. Step 4: Simplify right side
    367,031.05x = 78,328,683,291.84
  5. Step 5: Solve for x
    x = 78,328,683,291.84/367,031.05
  6. Step 6: Final answer
    x = 213,411.60

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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.