Home / 357,628.37-536,443.05-91,389.16

Finding the Fourth Proportional to 357,628.37, 536,443.05 and 91,389.16

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Solution

The fourth proportional to 357,628.37, 536,443.05 and 91,389.16 is: 137,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,628.37 : 536,443.05 = 91,389.16 : x
  2. Step 2: Convert to fraction form
    357,628.37/536,443.05 = 91,389.16/x
  3. Step 3: Cross multiply
    357,628.37x = 536,443.05 × 91,389.16
  4. Step 4: Simplify right side
    357,628.37x = 49,025,080,740.60
  5. Step 5: Solve for x
    x = 49,025,080,740.60/357,628.37
  6. Step 6: Final answer
    x = 137,083.87

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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.