Home / 218,018.23-326,653.65-173,177.90

Finding the Fourth Proportional to 218,018.23, 326,653.65 and 173,177.90

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Solution

The fourth proportional to 218,018.23, 326,653.65 and 173,177.90 is: 259,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,018.23 : 326,653.65 = 173,177.90 : x
  2. Step 2: Convert to fraction form
    218,018.23/326,653.65 = 173,177.90/x
  3. Step 3: Cross multiply
    218,018.23x = 326,653.65 × 173,177.90
  4. Step 4: Simplify right side
    218,018.23x = 56,569,191,501.07
  5. Step 5: Solve for x
    x = 56,569,191,501.07/218,018.23
  6. Step 6: Final answer
    x = 259,470.01

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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.