Home / 380,735.68-525,618.96-243,053.08

Finding the Fourth Proportional to 380,735.68, 525,618.96 and 243,053.08

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Solution

The fourth proportional to 380,735.68, 525,618.96 and 243,053.08 is: 335,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,735.68 : 525,618.96 = 243,053.08 : x
  2. Step 2: Convert to fraction form
    380,735.68/525,618.96 = 243,053.08/x
  3. Step 3: Cross multiply
    380,735.68x = 525,618.96 × 243,053.08
  4. Step 4: Simplify right side
    380,735.68x = 127,753,307,134.40
  5. Step 5: Solve for x
    x = 127,753,307,134.40/380,735.68
  6. Step 6: Final answer
    x = 335,543.30

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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.