Home / 282,342.42-423,519.06-69,112.16

Finding the Fourth Proportional to 282,342.42, 423,519.06 and 69,112.16

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Solution

The fourth proportional to 282,342.42, 423,519.06 and 69,112.16 is: 103,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,342.42 : 423,519.06 = 69,112.16 : x
  2. Step 2: Convert to fraction form
    282,342.42/423,519.06 = 69,112.16/x
  3. Step 3: Cross multiply
    282,342.42x = 423,519.06 × 69,112.16
  4. Step 4: Simplify right side
    282,342.42x = 29,270,317,037.77
  5. Step 5: Solve for x
    x = 29,270,317,037.77/282,342.42
  6. Step 6: Final answer
    x = 103,669.57

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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.