Home / 314,933.40-472,457.70-127,963.80

Finding the Fourth Proportional to 314,933.40, 472,457.70 and 127,963.80

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Solution

The fourth proportional to 314,933.40, 472,457.70 and 127,963.80 is: 191,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,933.40 : 472,457.70 = 127,963.80 : x
  2. Step 2: Convert to fraction form
    314,933.40/472,457.70 = 127,963.80/x
  3. Step 3: Cross multiply
    314,933.40x = 472,457.70 × 127,963.80
  4. Step 4: Simplify right side
    314,933.40x = 60,457,482,631.26
  5. Step 5: Solve for x
    x = 60,457,482,631.26/314,933.40
  6. Step 6: Final answer
    x = 191,969.10

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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.