Home / 302,564.10-453,846.15-208,085.70

Finding the Fourth Proportional to 302,564.10, 453,846.15 and 208,085.70

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Solution

The fourth proportional to 302,564.10, 453,846.15 and 208,085.70 is: 312,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.10 : 453,846.15 = 208,085.70 : x
  2. Step 2: Convert to fraction form
    302,564.10/453,846.15 = 208,085.70/x
  3. Step 3: Cross multiply
    302,564.10x = 453,846.15 × 208,085.70
  4. Step 4: Simplify right side
    302,564.10x = 94,438,893,815.06
  5. Step 5: Solve for x
    x = 94,438,893,815.06/302,564.10
  6. Step 6: Final answer
    x = 312,128.55

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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.