Home / 282,435.90-389,667.63-167,749.62

Finding the Fourth Proportional to 282,435.90, 389,667.63 and 167,749.62

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Solution

The fourth proportional to 282,435.90, 389,667.63 and 167,749.62 is: 231,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,435.90 : 389,667.63 = 167,749.62 : x
  2. Step 2: Convert to fraction form
    282,435.90/389,667.63 = 167,749.62/x
  3. Step 3: Cross multiply
    282,435.90x = 389,667.63 × 167,749.62
  4. Step 4: Simplify right side
    282,435.90x = 65,366,596,858.80
  5. Step 5: Solve for x
    x = 65,366,596,858.80/282,435.90
  6. Step 6: Final answer
    x = 231,438.70

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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.