Home / 369,156.12-553,780.32-144,487.56

Finding the Fourth Proportional to 369,156.12, 553,780.32 and 144,487.56

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Solution

The fourth proportional to 369,156.12, 553,780.32 and 144,487.56 is: 216,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,156.12 : 553,780.32 = 144,487.56 : x
  2. Step 2: Convert to fraction form
    369,156.12/553,780.32 = 144,487.56/x
  3. Step 3: Cross multiply
    369,156.12x = 553,780.32 × 144,487.56
  4. Step 4: Simplify right side
    369,156.12x = 80,014,367,212.82
  5. Step 5: Solve for x
    x = 80,014,367,212.82/369,156.12
  6. Step 6: Final answer
    x = 216,749.40

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1.5x scale

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.