Home / 465,220.40-697,927.45-145,359.35

Finding the Fourth Proportional to 465,220.40, 697,927.45 and 145,359.35

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Solution

The fourth proportional to 465,220.40, 697,927.45 and 145,359.35 is: 218,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,220.40 : 697,927.45 = 145,359.35 : x
  2. Step 2: Convert to fraction form
    465,220.40/697,927.45 = 145,359.35/x
  3. Step 3: Cross multiply
    465,220.40x = 697,927.45 × 145,359.35
  4. Step 4: Simplify right side
    465,220.40x = 101,450,276,626.12
  5. Step 5: Solve for x
    x = 101,450,276,626.12/465,220.40
  6. Step 6: Final answer
    x = 218,069.28

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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.