Home / 310,747.13-465,373.01-210,603.49

Finding the Fourth Proportional to 310,747.13, 465,373.01 and 210,603.49

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Solution

The fourth proportional to 310,747.13, 465,373.01 and 210,603.49 is: 315,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,747.13 : 465,373.01 = 210,603.49 : x
  2. Step 2: Convert to fraction form
    310,747.13/465,373.01 = 210,603.49/x
  3. Step 3: Cross multiply
    310,747.13x = 465,373.01 × 210,603.49
  4. Step 4: Simplify right side
    310,747.13x = 98,009,179,420.88
  5. Step 5: Solve for x
    x = 98,009,179,420.88/310,747.13
  6. Step 6: Final answer
    x = 315,398.50

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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.