Home / 369,279.60-553,919.40-303,669.60

Finding the Fourth Proportional to 369,279.60, 553,919.40 and 303,669.60

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Solution

The fourth proportional to 369,279.60, 553,919.40 and 303,669.60 is: 455,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,279.60 : 553,919.40 = 303,669.60 : x
  2. Step 2: Convert to fraction form
    369,279.60/553,919.40 = 303,669.60/x
  3. Step 3: Cross multiply
    369,279.60x = 553,919.40 × 303,669.60
  4. Step 4: Simplify right side
    369,279.60x = 168,208,482,630.24
  5. Step 5: Solve for x
    x = 168,208,482,630.24/369,279.60
  6. Step 6: Final answer
    x = 455,504.40

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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.