Home / 265,125.56-397,688.34-218,280.04

Finding the Fourth Proportional to 265,125.56, 397,688.34 and 218,280.04

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Solution

The fourth proportional to 265,125.56, 397,688.34 and 218,280.04 is: 327,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,125.56 : 397,688.34 = 218,280.04 : x
  2. Step 2: Convert to fraction form
    265,125.56/397,688.34 = 218,280.04/x
  3. Step 3: Cross multiply
    265,125.56x = 397,688.34 × 218,280.04
  4. Step 4: Simplify right side
    265,125.56x = 86,807,426,762.73
  5. Step 5: Solve for x
    x = 86,807,426,762.73/265,125.56
  6. Step 6: Final answer
    x = 327,420.06

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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.