Home / 421,656.14-581,899.24-230,669.53

Finding the Fourth Proportional to 421,656.14, 581,899.24 and 230,669.53

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Solution

The fourth proportional to 421,656.14, 581,899.24 and 230,669.53 is: 318,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,656.14 : 581,899.24 = 230,669.53 : x
  2. Step 2: Convert to fraction form
    421,656.14/581,899.24 = 230,669.53/x
  3. Step 3: Cross multiply
    421,656.14x = 581,899.24 × 230,669.53
  4. Step 4: Simplify right side
    421,656.14x = 134,226,424,198.16
  5. Step 5: Solve for x
    x = 134,226,424,198.16/421,656.14
  6. Step 6: Final answer
    x = 318,331.48

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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.