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Finding the Fourth Proportional to 513,853.88, 770,854.32 and 158,895.27

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Solution

The fourth proportional to 513,853.88, 770,854.32 and 158,895.27 is: 238,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,853.88 : 770,854.32 = 158,895.27 : x
  2. Step 2: Convert to fraction form
    513,853.88/770,854.32 = 158,895.27/x
  3. Step 3: Cross multiply
    513,853.88x = 770,854.32 × 158,895.27
  4. Step 4: Simplify right side
    513,853.88x = 122,485,105,307.07
  5. Step 5: Solve for x
    x = 122,485,105,307.07/513,853.88
  6. Step 6: Final answer
    x = 238,365.64

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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.