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Finding the Fourth Proportional to 342,160.00, 513,206.98 and 105,439.12

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Solution

The fourth proportional to 342,160.00, 513,206.98 and 105,439.12 is: 158,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,160.00 : 513,206.98 = 105,439.12 : x
  2. Step 2: Convert to fraction form
    342,160.00/513,206.98 = 105,439.12/x
  3. Step 3: Cross multiply
    342,160.00x = 513,206.98 × 105,439.12
  4. Step 4: Simplify right side
    342,160.00x = 54,112,091,197.84
  5. Step 5: Solve for x
    x = 54,112,091,197.84/342,160.00
  6. Step 6: Final answer
    x = 158,148.50

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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.