Home / 271,779.48-407,784.38-145,386.60

Finding the Fourth Proportional to 271,779.48, 407,784.38 and 145,386.60

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Solution

The fourth proportional to 271,779.48, 407,784.38 and 145,386.60 is: 218,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,779.48 : 407,784.38 = 145,386.60 : x
  2. Step 2: Convert to fraction form
    271,779.48/407,784.38 = 145,386.60/x
  3. Step 3: Cross multiply
    271,779.48x = 407,784.38 × 145,386.60
  4. Step 4: Simplify right side
    271,779.48x = 59,286,384,541.31
  5. Step 5: Solve for x
    x = 59,286,384,541.31/271,779.48
  6. Step 6: Final answer
    x = 218,141.50

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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.