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Finding the Fourth Proportional to 283,665, 425,210.34 and 183,888.54

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Solution

The fourth proportional to 283,665, 425,210.34 and 183,888.54 is: 275,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,665 : 425,210.34 = 183,888.54 : x
  2. Step 2: Convert to fraction form
    283,665/425,210.34 = 183,888.54/x
  3. Step 3: Cross multiply
    283,665x = 425,210.34 × 183,888.54
  4. Step 4: Simplify right side
    283,665x = 78,191,308,615.50
  5. Step 5: Solve for x
    x = 78,191,308,615.50/283,665
  6. Step 6: Final answer
    x = 275,646.66

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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.