Home / 371,325.20-556,987.80-90,842.45

Finding the Fourth Proportional to 371,325.20, 556,987.80 and 90,842.45

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Solution

The fourth proportional to 371,325.20, 556,987.80 and 90,842.45 is: 136,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,325.20 : 556,987.80 = 90,842.45 : x
  2. Step 2: Convert to fraction form
    371,325.20/556,987.80 = 90,842.45/x
  3. Step 3: Cross multiply
    371,325.20x = 556,987.80 × 90,842.45
  4. Step 4: Simplify right side
    371,325.20x = 50,598,136,372.11
  5. Step 5: Solve for x
    x = 50,598,136,372.11/371,325.20
  6. Step 6: Final answer
    x = 136,263.68

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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.