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Finding the Fourth Proportional to 525,301.04, 787,968.84 and 170,318

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Solution

The fourth proportional to 525,301.04, 787,968.84 and 170,318 is: 255,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,301.04 : 787,968.84 = 170,318 : x
  2. Step 2: Convert to fraction form
    525,301.04/787,968.84 = 170,318/x
  3. Step 3: Cross multiply
    525,301.04x = 787,968.84 × 170,318
  4. Step 4: Simplify right side
    525,301.04x = 134,205,276,891.12
  5. Step 5: Solve for x
    x = 134,205,276,891.12/525,301.04
  6. Step 6: Final answer
    x = 255,482.60

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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.