Home / 207,237.40-310,856.10-190,648.60

Finding the Fourth Proportional to 207,237.40, 310,856.10 and 190,648.60

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Solution

The fourth proportional to 207,237.40, 310,856.10 and 190,648.60 is: 285,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237.40 : 310,856.10 = 190,648.60 : x
  2. Step 2: Convert to fraction form
    207,237.40/310,856.10 = 190,648.60/x
  3. Step 3: Cross multiply
    207,237.40x = 310,856.10 × 190,648.60
  4. Step 4: Simplify right side
    207,237.40x = 59,264,280,266.46
  5. Step 5: Solve for x
    x = 59,264,280,266.46/207,237.40
  6. Step 6: Final answer
    x = 285,972.90

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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.