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Finding the Fourth Proportional to 288,259.74, 432,412.65 and 101,313.18

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Solution

The fourth proportional to 288,259.74, 432,412.65 and 101,313.18 is: 151,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,259.74 : 432,412.65 = 101,313.18 : x
  2. Step 2: Convert to fraction form
    288,259.74/432,412.65 = 101,313.18/x
  3. Step 3: Cross multiply
    288,259.74x = 432,412.65 × 101,313.18
  4. Step 4: Simplify right side
    288,259.74x = 43,809,100,643.73
  5. Step 5: Solve for x
    x = 43,809,100,643.73/288,259.74
  6. Step 6: Final answer
    x = 151,977.87

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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.