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Finding the Fourth Proportional to 302,316.39, 450,807.39 and 299,618.28

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Solution

The fourth proportional to 302,316.39, 450,807.39 and 299,618.28 is: 446,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,316.39 : 450,807.39 = 299,618.28 : x
  2. Step 2: Convert to fraction form
    302,316.39/450,807.39 = 299,618.28/x
  3. Step 3: Cross multiply
    302,316.39x = 450,807.39 × 299,618.28
  4. Step 4: Simplify right side
    302,316.39x = 135,070,134,803.09
  5. Step 5: Solve for x
    x = 135,070,134,803.09/302,316.39
  6. Step 6: Final answer
    x = 446,784.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.