Home / 247,228.65-370,842.98-89,420.22

Finding the Fourth Proportional to 247,228.65, 370,842.98 and 89,420.22

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Solution

The fourth proportional to 247,228.65, 370,842.98 and 89,420.22 is: 134,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,228.65 : 370,842.98 = 89,420.22 : x
  2. Step 2: Convert to fraction form
    247,228.65/370,842.98 = 89,420.22/x
  3. Step 3: Cross multiply
    247,228.65x = 370,842.98 × 89,420.22
  4. Step 4: Simplify right side
    247,228.65x = 33,160,860,409.95
  5. Step 5: Solve for x
    x = 33,160,860,409.95/247,228.65
  6. Step 6: Final answer
    x = 134,130.33

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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.