Home / 369,440.48-553,962-191,506.40

Finding the Fourth Proportional to 369,440.48, 553,962 and 191,506.40

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Solution

The fourth proportional to 369,440.48, 553,962 and 191,506.40 is: 287,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,440.48 : 553,962 = 191,506.40 : x
  2. Step 2: Convert to fraction form
    369,440.48/553,962 = 191,506.40/x
  3. Step 3: Cross multiply
    369,440.48x = 553,962 × 191,506.40
  4. Step 4: Simplify right side
    369,440.48x = 106,087,268,356.80
  5. Step 5: Solve for x
    x = 106,087,268,356.80/369,440.48
  6. Step 6: Final answer
    x = 287,156.59

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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.