Home / 368,947.38-553,421.22-284,830.35

Finding the Fourth Proportional to 368,947.38, 553,421.22 and 284,830.35

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Solution

The fourth proportional to 368,947.38, 553,421.22 and 284,830.35 is: 427,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,947.38 : 553,421.22 = 284,830.35 : x
  2. Step 2: Convert to fraction form
    368,947.38/553,421.22 = 284,830.35/x
  3. Step 3: Cross multiply
    368,947.38x = 553,421.22 × 284,830.35
  4. Step 4: Simplify right side
    368,947.38x = 157,631,159,790.03
  5. Step 5: Solve for x
    x = 157,631,159,790.03/368,947.38
  6. Step 6: Final answer
    x = 427,245.64

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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.