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Finding the Fourth Proportional to 356,037, 491,386.02 and 203,075.52

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Solution

The fourth proportional to 356,037, 491,386.02 and 203,075.52 is: 280,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,037 : 491,386.02 = 203,075.52 : x
  2. Step 2: Convert to fraction form
    356,037/491,386.02 = 203,075.52/x
  3. Step 3: Cross multiply
    356,037x = 491,386.02 × 203,075.52
  4. Step 4: Simplify right side
    356,037x = 99,788,471,532.23
  5. Step 5: Solve for x
    x = 99,788,471,532.23/356,037
  6. Step 6: Final answer
    x = 280,275.57

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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.