Home / 374,430.20-561,647.70-149,809.40

Finding the Fourth Proportional to 374,430.20, 561,647.70 and 149,809.40

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Solution

The fourth proportional to 374,430.20, 561,647.70 and 149,809.40 is: 224,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,430.20 : 561,647.70 = 149,809.40 : x
  2. Step 2: Convert to fraction form
    374,430.20/561,647.70 = 149,809.40/x
  3. Step 3: Cross multiply
    374,430.20x = 561,647.70 × 149,809.40
  4. Step 4: Simplify right side
    374,430.20x = 84,140,104,948.38
  5. Step 5: Solve for x
    x = 84,140,104,948.38/374,430.20
  6. Step 6: Final answer
    x = 224,715.06

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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.