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Finding the Fourth Proportional to 250,300.58, 345,415.14 and 135,580.47

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Solution

The fourth proportional to 250,300.58, 345,415.14 and 135,580.47 is: 187,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,300.58 : 345,415.14 = 135,580.47 : x
  2. Step 2: Convert to fraction form
    250,300.58/345,415.14 = 135,580.47/x
  3. Step 3: Cross multiply
    250,300.58x = 345,415.14 × 135,580.47
  4. Step 4: Simplify right side
    250,300.58x = 46,831,547,026.32
  5. Step 5: Solve for x
    x = 46,831,547,026.32/250,300.58
  6. Step 6: Final answer
    x = 187,101.24

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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.