Home / 465,551.07-698,312.75-128,612.00

Finding the Fourth Proportional to 465,551.07, 698,312.75 and 128,612.00

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Solution

The fourth proportional to 465,551.07, 698,312.75 and 128,612.00 is: 192,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,551.07 : 698,312.75 = 128,612.00 : x
  2. Step 2: Convert to fraction form
    465,551.07/698,312.75 = 128,612.00/x
  3. Step 3: Cross multiply
    465,551.07x = 698,312.75 × 128,612.00
  4. Step 4: Simplify right side
    465,551.07x = 89,811,395,268.38
  5. Step 5: Solve for x
    x = 89,811,395,268.38/465,551.07
  6. Step 6: Final answer
    x = 192,914.16

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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.