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Finding the Fourth Proportional to 380,686.84, 570,852.98 and 170,326.52

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Solution

The fourth proportional to 380,686.84, 570,852.98 and 170,326.52 is: 255,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,686.84 : 570,852.98 = 170,326.52 : x
  2. Step 2: Convert to fraction form
    380,686.84/570,852.98 = 170,326.52/x
  3. Step 3: Cross multiply
    380,686.84x = 570,852.98 × 170,326.52
  4. Step 4: Simplify right side
    380,686.84x = 97,231,401,515.03
  5. Step 5: Solve for x
    x = 97,231,401,515.03/380,686.84
  6. Step 6: Final answer
    x = 255,410.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.