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Finding the Fourth Proportional to 567,501.48, 851,339.70 and 193,437

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Solution

The fourth proportional to 567,501.48, 851,339.70 and 193,437 is: 290,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,501.48 : 851,339.70 = 193,437 : x
  2. Step 2: Convert to fraction form
    567,501.48/851,339.70 = 193,437/x
  3. Step 3: Cross multiply
    567,501.48x = 851,339.70 × 193,437
  4. Step 4: Simplify right side
    567,501.48x = 164,680,597,548.90
  5. Step 5: Solve for x
    x = 164,680,597,548.90/567,501.48
  6. Step 6: Final answer
    x = 290,185.32

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1.5x scale

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.