Home / 369,719.22-510,212.85-199,953.35

Finding the Fourth Proportional to 369,719.22, 510,212.85 and 199,953.35

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Solution

The fourth proportional to 369,719.22, 510,212.85 and 199,953.35 is: 275,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,719.22 : 510,212.85 = 199,953.35 : x
  2. Step 2: Convert to fraction form
    369,719.22/510,212.85 = 199,953.35/x
  3. Step 3: Cross multiply
    369,719.22x = 510,212.85 × 199,953.35
  4. Step 4: Simplify right side
    369,719.22x = 102,018,766,019.48
  5. Step 5: Solve for x
    x = 102,018,766,019.48/369,719.22
  6. Step 6: Final answer
    x = 275,935.79

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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.