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Finding the Fourth Proportional to 301,118.28, 414,500.28 and 260,263.80

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Solution

The fourth proportional to 301,118.28, 414,500.28 and 260,263.80 is: 358,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,118.28 : 414,500.28 = 260,263.80 : x
  2. Step 2: Convert to fraction form
    301,118.28/414,500.28 = 260,263.80/x
  3. Step 3: Cross multiply
    301,118.28x = 414,500.28 × 260,263.80
  4. Step 4: Simplify right side
    301,118.28x = 107,879,417,973.86
  5. Step 5: Solve for x
    x = 107,879,417,973.86/301,118.28
  6. Step 6: Final answer
    x = 358,262.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.