Home / 235,430.20-353,145.30-164,571.40

Finding the Fourth Proportional to 235,430.20, 353,145.30 and 164,571.40

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Solution

The fourth proportional to 235,430.20, 353,145.30 and 164,571.40 is: 246,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,430.20 : 353,145.30 = 164,571.40 : x
  2. Step 2: Convert to fraction form
    235,430.20/353,145.30 = 164,571.40/x
  3. Step 3: Cross multiply
    235,430.20x = 353,145.30 × 164,571.40
  4. Step 4: Simplify right side
    235,430.20x = 58,117,616,424.42
  5. Step 5: Solve for x
    x = 58,117,616,424.42/235,430.20
  6. Step 6: Final answer
    x = 246,857.10

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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.