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Finding the Fourth Proportional to 302,955.40, 453,914.70 and 192,017.80

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Solution

The fourth proportional to 302,955.40, 453,914.70 and 192,017.80 is: 287,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,955.40 : 453,914.70 = 192,017.80 : x
  2. Step 2: Convert to fraction form
    302,955.40/453,914.70 = 192,017.80/x
  3. Step 3: Cross multiply
    302,955.40x = 453,914.70 × 192,017.80
  4. Step 4: Simplify right side
    302,955.40x = 87,159,702,081.66
  5. Step 5: Solve for x
    x = 87,159,702,081.66/302,955.40
  6. Step 6: Final answer
    x = 287,698.13

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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.