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Finding the Fourth Proportional to 283,490.65, 425,225.34 and 70,259.26

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Solution

The fourth proportional to 283,490.65, 425,225.34 and 70,259.26 is: 105,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,490.65 : 425,225.34 = 70,259.26 : x
  2. Step 2: Convert to fraction form
    283,490.65/425,225.34 = 70,259.26/x
  3. Step 3: Cross multiply
    283,490.65x = 425,225.34 × 70,259.26
  4. Step 4: Simplify right side
    283,490.65x = 29,876,017,370.35
  5. Step 5: Solve for x
    x = 29,876,017,370.35/283,490.65
  6. Step 6: Final answer
    x = 105,386.25

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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.