Home / 369,749.81-510,254.79-199,983.94

Finding the Fourth Proportional to 369,749.81, 510,254.79 and 199,983.94

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Solution

The fourth proportional to 369,749.81, 510,254.79 and 199,983.94 is: 275,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,749.81 : 510,254.79 = 199,983.94 : x
  2. Step 2: Convert to fraction form
    369,749.81/510,254.79 = 199,983.94/x
  3. Step 3: Cross multiply
    369,749.81x = 510,254.79 × 199,983.94
  4. Step 4: Simplify right side
    369,749.81x = 102,042,762,407.41
  5. Step 5: Solve for x
    x = 102,042,762,407.41/369,749.81
  6. Step 6: Final answer
    x = 275,977.86

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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.