Home / 282,910.14-390,419.86-162,051.35

Finding the Fourth Proportional to 282,910.14, 390,419.86 and 162,051.35

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Solution

The fourth proportional to 282,910.14, 390,419.86 and 162,051.35 is: 223,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,910.14 : 390,419.86 = 162,051.35 : x
  2. Step 2: Convert to fraction form
    282,910.14/390,419.86 = 162,051.35/x
  3. Step 3: Cross multiply
    282,910.14x = 390,419.86 × 162,051.35
  4. Step 4: Simplify right side
    282,910.14x = 63,268,065,379.81
  5. Step 5: Solve for x
    x = 63,268,065,379.81/282,910.14
  6. Step 6: Final answer
    x = 223,633.08

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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.