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Finding the Fourth Proportional to 248,303.56, 342,666.06 and 135,133.48

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Solution

The fourth proportional to 248,303.56, 342,666.06 and 135,133.48 is: 186,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,303.56 : 342,666.06 = 135,133.48 : x
  2. Step 2: Convert to fraction form
    248,303.56/342,666.06 = 135,133.48/x
  3. Step 3: Cross multiply
    248,303.56x = 342,666.06 × 135,133.48
  4. Step 4: Simplify right side
    248,303.56x = 46,305,657,165.69
  5. Step 5: Solve for x
    x = 46,305,657,165.69/248,303.56
  6. Step 6: Final answer
    x = 186,488.09

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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.