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Finding the Fourth Proportional to 342,546.60, 513,774.54 and 155,515.08

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Solution

The fourth proportional to 342,546.60, 513,774.54 and 155,515.08 is: 233,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546.60 : 513,774.54 = 155,515.08 : x
  2. Step 2: Convert to fraction form
    342,546.60/513,774.54 = 155,515.08/x
  3. Step 3: Cross multiply
    342,546.60x = 513,774.54 × 155,515.08
  4. Step 4: Simplify right side
    342,546.60x = 79,899,688,690.06
  5. Step 5: Solve for x
    x = 79,899,688,690.06/342,546.60
  6. Step 6: Final answer
    x = 233,252.03

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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.