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Finding the Fourth Proportional to 175,106.64, 262,685.88 and 64,290

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Solution

The fourth proportional to 175,106.64, 262,685.88 and 64,290 is: 96,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,106.64 : 262,685.88 = 64,290 : x
  2. Step 2: Convert to fraction form
    175,106.64/262,685.88 = 64,290/x
  3. Step 3: Cross multiply
    175,106.64x = 262,685.88 × 64,290
  4. Step 4: Simplify right side
    175,106.64x = 16,888,075,225.20
  5. Step 5: Solve for x
    x = 16,888,075,225.20/175,106.64
  6. Step 6: Final answer
    x = 96,444.52

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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.