Home / 282,667.11-390,113.80-167,946.69

Finding the Fourth Proportional to 282,667.11, 390,113.80 and 167,946.69

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Solution

The fourth proportional to 282,667.11, 390,113.80 and 167,946.69 is: 231,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,667.11 : 390,113.80 = 167,946.69 : x
  2. Step 2: Convert to fraction form
    282,667.11/390,113.80 = 167,946.69/x
  3. Step 3: Cross multiply
    282,667.11x = 390,113.80 × 167,946.69
  4. Step 4: Simplify right side
    282,667.11x = 65,518,319,482.75
  5. Step 5: Solve for x
    x = 65,518,319,482.75/282,667.11
  6. Step 6: Final answer
    x = 231,786.14

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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.