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Finding the Fourth Proportional to 216,779.36, 299,153.32 and 119,983.44

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Solution

The fourth proportional to 216,779.36, 299,153.32 and 119,983.44 is: 165,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,779.36 : 299,153.32 = 119,983.44 : x
  2. Step 2: Convert to fraction form
    216,779.36/299,153.32 = 119,983.44/x
  3. Step 3: Cross multiply
    216,779.36x = 299,153.32 × 119,983.44
  4. Step 4: Simplify right side
    216,779.36x = 35,893,444,421.02
  5. Step 5: Solve for x
    x = 35,893,444,421.02/216,779.36
  6. Step 6: Final answer
    x = 165,575.93

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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.