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Finding the Fourth Proportional to 341,970.95, 512,966.84 and 117,328.24

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Solution

The fourth proportional to 341,970.95, 512,966.84 and 117,328.24 is: 175,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,970.95 : 512,966.84 = 117,328.24 : x
  2. Step 2: Convert to fraction form
    341,970.95/512,966.84 = 117,328.24/x
  3. Step 3: Cross multiply
    341,970.95x = 512,966.84 × 117,328.24
  4. Step 4: Simplify right side
    341,970.95x = 60,185,496,515.56
  5. Step 5: Solve for x
    x = 60,185,496,515.56/341,970.95
  6. Step 6: Final answer
    x = 175,995.93

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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.