Home / 369,749.34-510,254.10-199,983.47

Finding the Fourth Proportional to 369,749.34, 510,254.10 and 199,983.47

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Solution

The fourth proportional to 369,749.34, 510,254.10 and 199,983.47 is: 275,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,749.34 : 510,254.10 = 199,983.47 : x
  2. Step 2: Convert to fraction form
    369,749.34/510,254.10 = 199,983.47/x
  3. Step 3: Cross multiply
    369,749.34x = 510,254.10 × 199,983.47
  4. Step 4: Simplify right side
    369,749.34x = 102,042,382,948.46
  5. Step 5: Solve for x
    x = 102,042,382,948.46/369,749.34
  6. Step 6: Final answer
    x = 275,977.19

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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.