Home / 282,994.08-390,525.32-155,666.96

Finding the Fourth Proportional to 282,994.08, 390,525.32 and 155,666.96

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Solution

The fourth proportional to 282,994.08, 390,525.32 and 155,666.96 is: 214,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,994.08 : 390,525.32 = 155,666.96 : x
  2. Step 2: Convert to fraction form
    282,994.08/390,525.32 = 155,666.96/x
  3. Step 3: Cross multiply
    282,994.08x = 390,525.32 × 155,666.96
  4. Step 4: Simplify right side
    282,994.08x = 60,791,889,367.43
  5. Step 5: Solve for x
    x = 60,791,889,367.43/282,994.08
  6. Step 6: Final answer
    x = 214,816.82

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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.