Home / 330,014.19-495,017.10-105,371.77

Finding the Fourth Proportional to 330,014.19, 495,017.10 and 105,371.77

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Solution

The fourth proportional to 330,014.19, 495,017.10 and 105,371.77 is: 158,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,014.19 : 495,017.10 = 105,371.77 : x
  2. Step 2: Convert to fraction form
    330,014.19/495,017.10 = 105,371.77/x
  3. Step 3: Cross multiply
    330,014.19x = 495,017.10 × 105,371.77
  4. Step 4: Simplify right side
    330,014.19x = 52,160,829,090.12
  5. Step 5: Solve for x
    x = 52,160,829,090.12/330,014.19
  6. Step 6: Final answer
    x = 158,056.32

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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.