Home / 282,838.19-390,323.38-153,784.04

Finding the Fourth Proportional to 282,838.19, 390,323.38 and 153,784.04

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Solution

The fourth proportional to 282,838.19, 390,323.38 and 153,784.04 is: 212,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838.19 : 390,323.38 = 153,784.04 : x
  2. Step 2: Convert to fraction form
    282,838.19/390,323.38 = 153,784.04/x
  3. Step 3: Cross multiply
    282,838.19x = 390,323.38 × 153,784.04
  4. Step 4: Simplify right side
    282,838.19x = 60,025,506,282.86
  5. Step 5: Solve for x
    x = 60,025,506,282.86/282,838.19
  6. Step 6: Final answer
    x = 212,225.61

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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.