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Finding the Fourth Proportional to 295,315.90, 442,973.85 and 236,266.90

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Solution

The fourth proportional to 295,315.90, 442,973.85 and 236,266.90 is: 354,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,315.90 : 442,973.85 = 236,266.90 : x
  2. Step 2: Convert to fraction form
    295,315.90/442,973.85 = 236,266.90/x
  3. Step 3: Cross multiply
    295,315.90x = 442,973.85 × 236,266.90
  4. Step 4: Simplify right side
    295,315.90x = 104,660,058,320.57
  5. Step 5: Solve for x
    x = 104,660,058,320.57/295,315.90
  6. Step 6: Final answer
    x = 354,400.35

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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.