Home / 409,569.48-614,927.70-210,030.84

Finding the Fourth Proportional to 409,569.48, 614,927.70 and 210,030.84

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Solution

The fourth proportional to 409,569.48, 614,927.70 and 210,030.84 is: 315,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,569.48 : 614,927.70 = 210,030.84 : x
  2. Step 2: Convert to fraction form
    409,569.48/614,927.70 = 210,030.84/x
  3. Step 3: Cross multiply
    409,569.48x = 614,927.70 × 210,030.84
  4. Step 4: Simplify right side
    409,569.48x = 129,153,781,370.27
  5. Step 5: Solve for x
    x = 129,153,781,370.27/409,569.48
  6. Step 6: Final answer
    x = 315,340.35

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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.