Home / 259,022.58-357,307.80-215,633.70

Finding the Fourth Proportional to 259,022.58, 357,307.80 and 215,633.70

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Solution

The fourth proportional to 259,022.58, 357,307.80 and 215,633.70 is: 297,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,022.58 : 357,307.80 = 215,633.70 : x
  2. Step 2: Convert to fraction form
    259,022.58/357,307.80 = 215,633.70/x
  3. Step 3: Cross multiply
    259,022.58x = 357,307.80 × 215,633.70
  4. Step 4: Simplify right side
    259,022.58x = 77,047,602,952.86
  5. Step 5: Solve for x
    x = 77,047,602,952.86/259,022.58
  6. Step 6: Final answer
    x = 297,455.16

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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.