Home / 282,923.28-390,516.93-168,282.63

Finding the Fourth Proportional to 282,923.28, 390,516.93 and 168,282.63

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Solution

The fourth proportional to 282,923.28, 390,516.93 and 168,282.63 is: 232,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,923.28 : 390,516.93 = 168,282.63 : x
  2. Step 2: Convert to fraction form
    282,923.28/390,516.93 = 168,282.63/x
  3. Step 3: Cross multiply
    282,923.28x = 390,516.93 × 168,282.63
  4. Step 4: Simplify right side
    282,923.28x = 65,717,216,039.93
  5. Step 5: Solve for x
    x = 65,717,216,039.93/282,923.28
  6. Step 6: Final answer
    x = 232,279.28

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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.