Home / 235,030.56-352,470.96-77,222.40

Finding the Fourth Proportional to 235,030.56, 352,470.96 and 77,222.40

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Solution

The fourth proportional to 235,030.56, 352,470.96 and 77,222.40 is: 115,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,030.56 : 352,470.96 = 77,222.40 : x
  2. Step 2: Convert to fraction form
    235,030.56/352,470.96 = 77,222.40/x
  3. Step 3: Cross multiply
    235,030.56x = 352,470.96 × 77,222.40
  4. Step 4: Simplify right side
    235,030.56x = 27,218,653,461.50
  5. Step 5: Solve for x
    x = 27,218,653,461.50/235,030.56
  6. Step 6: Final answer
    x = 115,809.00

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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.