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Finding the Fourth Proportional to 208,510.47, 310,083.30 and 201,867.45

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Solution

The fourth proportional to 208,510.47, 310,083.30 and 201,867.45 is: 300,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,510.47 : 310,083.30 = 201,867.45 : x
  2. Step 2: Convert to fraction form
    208,510.47/310,083.30 = 201,867.45/x
  3. Step 3: Cross multiply
    208,510.47x = 310,083.30 × 201,867.45
  4. Step 4: Simplify right side
    208,510.47x = 62,595,725,058.59
  5. Step 5: Solve for x
    x = 62,595,725,058.59/208,510.47
  6. Step 6: Final answer
    x = 300,204.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.