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Finding the Fourth Proportional to 358,733.80, 538,100.70 and 302,746.60

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Solution

The fourth proportional to 358,733.80, 538,100.70 and 302,746.60 is: 454,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,733.80 : 538,100.70 = 302,746.60 : x
  2. Step 2: Convert to fraction form
    358,733.80/538,100.70 = 302,746.60/x
  3. Step 3: Cross multiply
    358,733.80x = 538,100.70 × 302,746.60
  4. Step 4: Simplify right side
    358,733.80x = 162,908,157,382.62
  5. Step 5: Solve for x
    x = 162,908,157,382.62/358,733.80
  6. Step 6: Final answer
    x = 454,119.90

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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.