Home / 288,962.84-398,811.02-166,431.67

Finding the Fourth Proportional to 288,962.84, 398,811.02 and 166,431.67

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Solution

The fourth proportional to 288,962.84, 398,811.02 and 166,431.67 is: 229,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,962.84 : 398,811.02 = 166,431.67 : x
  2. Step 2: Convert to fraction form
    288,962.84/398,811.02 = 166,431.67/x
  3. Step 3: Cross multiply
    288,962.84x = 398,811.02 × 166,431.67
  4. Step 4: Simplify right side
    288,962.84x = 66,374,784,073.00
  5. Step 5: Solve for x
    x = 66,374,784,073.00/288,962.84
  6. Step 6: Final answer
    x = 229,700.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.