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Finding the Fourth Proportional to 284,011.94, 392,066.93 and 245,094.95

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Solution

The fourth proportional to 284,011.94, 392,066.93 and 245,094.95 is: 338,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,011.94 : 392,066.93 = 245,094.95 : x
  2. Step 2: Convert to fraction form
    284,011.94/392,066.93 = 245,094.95/x
  3. Step 3: Cross multiply
    284,011.94x = 392,066.93 × 245,094.95
  4. Step 4: Simplify right side
    284,011.94x = 96,093,621,419.19
  5. Step 5: Solve for x
    x = 96,093,621,419.19/284,011.94
  6. Step 6: Final answer
    x = 338,343.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.