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Finding the Fourth Proportional to 301,485.68, 415,931.80 and 180,632.04

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Solution

The fourth proportional to 301,485.68, 415,931.80 and 180,632.04 is: 249,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,485.68 : 415,931.80 = 180,632.04 : x
  2. Step 2: Convert to fraction form
    301,485.68/415,931.80 = 180,632.04/x
  3. Step 3: Cross multiply
    301,485.68x = 415,931.80 × 180,632.04
  4. Step 4: Simplify right side
    301,485.68x = 75,130,609,534.87
  5. Step 5: Solve for x
    x = 75,130,609,534.87/301,485.68
  6. Step 6: Final answer
    x = 249,201.25

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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.