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Finding the Fourth Proportional to 247,246.80, 370,870.20 and 152,768.40

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Solution

The fourth proportional to 247,246.80, 370,870.20 and 152,768.40 is: 229,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,246.80 : 370,870.20 = 152,768.40 : x
  2. Step 2: Convert to fraction form
    247,246.80/370,870.20 = 152,768.40/x
  3. Step 3: Cross multiply
    247,246.80x = 370,870.20 × 152,768.40
  4. Step 4: Simplify right side
    247,246.80x = 56,657,247,061.68
  5. Step 5: Solve for x
    x = 56,657,247,061.68/247,246.80
  6. Step 6: Final answer
    x = 229,152.60

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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.