Home / 364,619.80-546,929.70-127,986.40

Finding the Fourth Proportional to 364,619.80, 546,929.70 and 127,986.40

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Solution

The fourth proportional to 364,619.80, 546,929.70 and 127,986.40 is: 191,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,619.80 : 546,929.70 = 127,986.40 : x
  2. Step 2: Convert to fraction form
    364,619.80/546,929.70 = 127,986.40/x
  3. Step 3: Cross multiply
    364,619.80x = 546,929.70 × 127,986.40
  4. Step 4: Simplify right side
    364,619.80x = 69,999,563,356.08
  5. Step 5: Solve for x
    x = 69,999,563,356.08/364,619.80
  6. Step 6: Final answer
    x = 191,979.60

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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.