Home / 374,434.20-561,653.70-149,813.40

Finding the Fourth Proportional to 374,434.20, 561,653.70 and 149,813.40

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Solution

The fourth proportional to 374,434.20, 561,653.70 and 149,813.40 is: 224,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,434.20 : 561,653.70 = 149,813.40 : x
  2. Step 2: Convert to fraction form
    374,434.20/561,653.70 = 149,813.40/x
  3. Step 3: Cross multiply
    374,434.20x = 561,653.70 × 149,813.40
  4. Step 4: Simplify right side
    374,434.20x = 84,143,250,419.58
  5. Step 5: Solve for x
    x = 84,143,250,419.58/374,434.20
  6. Step 6: Final answer
    x = 224,721.06

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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.