Home / 642,479.02-963,767.67-169,157.50

Finding the Fourth Proportional to 642,479.02, 963,767.67 and 169,157.50

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Solution

The fourth proportional to 642,479.02, 963,767.67 and 169,157.50 is: 253,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,479.02 : 963,767.67 = 169,157.50 : x
  2. Step 2: Convert to fraction form
    642,479.02/963,767.67 = 169,157.50/x
  3. Step 3: Cross multiply
    642,479.02x = 963,767.67 × 169,157.50
  4. Step 4: Simplify right side
    642,479.02x = 163,028,529,638.03
  5. Step 5: Solve for x
    x = 163,028,529,638.03/642,479.02
  6. Step 6: Final answer
    x = 253,749.19

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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.