Home / 286,259.92-395,051.02-158,935.50

Finding the Fourth Proportional to 286,259.92, 395,051.02 and 158,935.50

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Solution

The fourth proportional to 286,259.92, 395,051.02 and 158,935.50 is: 219,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,259.92 : 395,051.02 = 158,935.50 : x
  2. Step 2: Convert to fraction form
    286,259.92/395,051.02 = 158,935.50/x
  3. Step 3: Cross multiply
    286,259.92x = 395,051.02 × 158,935.50
  4. Step 4: Simplify right side
    286,259.92x = 62,787,631,389.21
  5. Step 5: Solve for x
    x = 62,787,631,389.21/286,259.92
  6. Step 6: Final answer
    x = 219,337.84

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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.