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Finding the Fourth Proportional to 242,566.90, 340,293.50 and 242,566.90

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Solution

The fourth proportional to 242,566.90, 340,293.50 and 242,566.90 is: 340,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,566.90 : 340,293.50 = 242,566.90 : x
  2. Step 2: Convert to fraction form
    242,566.90/340,293.50 = 242,566.90/x
  3. Step 3: Cross multiply
    242,566.90x = 340,293.50 × 242,566.90
  4. Step 4: Simplify right side
    242,566.90x = 82,543,939,385.15
  5. Step 5: Solve for x
    x = 82,543,939,385.15/242,566.90
  6. Step 6: Final answer
    x = 340,293.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.