Home / 282,637.35-390,031.40-161,774.62

Finding the Fourth Proportional to 282,637.35, 390,031.40 and 161,774.62

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Solution

The fourth proportional to 282,637.35, 390,031.40 and 161,774.62 is: 223,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,637.35 : 390,031.40 = 161,774.62 : x
  2. Step 2: Convert to fraction form
    282,637.35/390,031.40 = 161,774.62/x
  3. Step 3: Cross multiply
    282,637.35x = 390,031.40 × 161,774.62
  4. Step 4: Simplify right side
    282,637.35x = 63,097,180,952.43
  5. Step 5: Solve for x
    x = 63,097,180,952.43/282,637.35
  6. Step 6: Final answer
    x = 223,244.31

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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.