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Finding the Fourth Proportional to 340,161.88, 510,316.08 and 103,523.64

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Solution

The fourth proportional to 340,161.88, 510,316.08 and 103,523.64 is: 155,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161.88 : 510,316.08 = 103,523.64 : x
  2. Step 2: Convert to fraction form
    340,161.88/510,316.08 = 103,523.64/x
  3. Step 3: Cross multiply
    340,161.88x = 510,316.08 × 103,523.64
  4. Step 4: Simplify right side
    340,161.88x = 52,829,778,152.13
  5. Step 5: Solve for x
    x = 52,829,778,152.13/340,161.88
  6. Step 6: Final answer
    x = 155,307.76

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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.