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Finding the Fourth Proportional to 357,595.66, 536,334.51 and 117,712.68

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Solution

The fourth proportional to 357,595.66, 536,334.51 and 117,712.68 is: 176,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,595.66 : 536,334.51 = 117,712.68 : x
  2. Step 2: Convert to fraction form
    357,595.66/536,334.51 = 117,712.68/x
  3. Step 3: Cross multiply
    357,595.66x = 536,334.51 × 117,712.68
  4. Step 4: Simplify right side
    357,595.66x = 63,133,370,978.75
  5. Step 5: Solve for x
    x = 63,133,370,978.75/357,595.66
  6. Step 6: Final answer
    x = 176,549.60

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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.