Home / 282,674.18-390,090.66-155,347.04

Finding the Fourth Proportional to 282,674.18, 390,090.66 and 155,347.04

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Solution

The fourth proportional to 282,674.18, 390,090.66 and 155,347.04 is: 214,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,674.18 : 390,090.66 = 155,347.04 : x
  2. Step 2: Convert to fraction form
    282,674.18/390,090.66 = 155,347.04/x
  3. Step 3: Cross multiply
    282,674.18x = 390,090.66 × 155,347.04
  4. Step 4: Simplify right side
    282,674.18x = 60,599,429,362.65
  5. Step 5: Solve for x
    x = 60,599,429,362.65/282,674.18
  6. Step 6: Final answer
    x = 214,379.08

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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.