Home / 368,905.40-553,855.62-236,045

Finding the Fourth Proportional to 368,905.40, 553,855.62 and 236,045

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Solution

The fourth proportional to 368,905.40, 553,855.62 and 236,045 is: 354,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,905.40 : 553,855.62 = 236,045 : x
  2. Step 2: Convert to fraction form
    368,905.40/553,855.62 = 236,045/x
  3. Step 3: Cross multiply
    368,905.40x = 553,855.62 × 236,045
  4. Step 4: Simplify right side
    368,905.40x = 130,734,849,822.90
  5. Step 5: Solve for x
    x = 130,734,849,822.90/368,905.40
  6. Step 6: Final answer
    x = 354,385.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.