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Finding the Fourth Proportional to 356,365.66, 491,770.02 and 213,041.02

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Solution

The fourth proportional to 356,365.66, 491,770.02 and 213,041.02 is: 293,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,365.66 : 491,770.02 = 213,041.02 : x
  2. Step 2: Convert to fraction form
    356,365.66/491,770.02 = 213,041.02/x
  3. Step 3: Cross multiply
    356,365.66x = 491,770.02 × 213,041.02
  4. Step 4: Simplify right side
    356,365.66x = 104,767,186,666.22
  5. Step 5: Solve for x
    x = 104,767,186,666.22/356,365.66
  6. Step 6: Final answer
    x = 293,987.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.