Home / 369,742.59-510,244.79-199,976.72

Finding the Fourth Proportional to 369,742.59, 510,244.79 and 199,976.72

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Solution

The fourth proportional to 369,742.59, 510,244.79 and 199,976.72 is: 275,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,742.59 : 510,244.79 = 199,976.72 : x
  2. Step 2: Convert to fraction form
    369,742.59/510,244.79 = 199,976.72/x
  3. Step 3: Cross multiply
    369,742.59x = 510,244.79 × 199,976.72
  4. Step 4: Simplify right side
    369,742.59x = 102,037,075,950.18
  5. Step 5: Solve for x
    x = 102,037,075,950.18/369,742.59
  6. Step 6: Final answer
    x = 275,967.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.