Home / 370,982.60-556,490.10-121,664.60

Finding the Fourth Proportional to 370,982.60, 556,490.10 and 121,664.60

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Solution

The fourth proportional to 370,982.60, 556,490.10 and 121,664.60 is: 182,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,982.60 : 556,490.10 = 121,664.60 : x
  2. Step 2: Convert to fraction form
    370,982.60/556,490.10 = 121,664.60/x
  3. Step 3: Cross multiply
    370,982.60x = 556,490.10 × 121,664.60
  4. Step 4: Simplify right side
    370,982.60x = 67,705,145,420.46
  5. Step 5: Solve for x
    x = 67,705,145,420.46/370,982.60
  6. Step 6: Final answer
    x = 182,502.21

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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.