Home / 374,426.20-561,639.30-187,802.20

Finding the Fourth Proportional to 374,426.20, 561,639.30 and 187,802.20

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Solution

The fourth proportional to 374,426.20, 561,639.30 and 187,802.20 is: 281,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,426.20 : 561,639.30 = 187,802.20 : x
  2. Step 2: Convert to fraction form
    374,426.20/561,639.30 = 187,802.20/x
  3. Step 3: Cross multiply
    374,426.20x = 561,639.30 × 187,802.20
  4. Step 4: Simplify right side
    374,426.20x = 105,477,096,146.46
  5. Step 5: Solve for x
    x = 105,477,096,146.46/374,426.20
  6. Step 6: Final answer
    x = 281,703.30

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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.