Home / 538,914.60-808,487.10-164,975.40

Finding the Fourth Proportional to 538,914.60, 808,487.10 and 164,975.40

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Solution

The fourth proportional to 538,914.60, 808,487.10 and 164,975.40 is: 247,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,914.60 : 808,487.10 = 164,975.40 : x
  2. Step 2: Convert to fraction form
    538,914.60/808,487.10 = 164,975.40/x
  3. Step 3: Cross multiply
    538,914.60x = 808,487.10 × 164,975.40
  4. Step 4: Simplify right side
    538,914.60x = 133,380,482,717.34
  5. Step 5: Solve for x
    x = 133,380,482,717.34/538,914.60
  6. Step 6: Final answer
    x = 247,498.37

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1.5x scale

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.