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Finding the Fourth Proportional to 270,048.48, 404,222.16 and 185,313.20

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Solution

The fourth proportional to 270,048.48, 404,222.16 and 185,313.20 is: 277,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,048.48 : 404,222.16 = 185,313.20 : x
  2. Step 2: Convert to fraction form
    270,048.48/404,222.16 = 185,313.20/x
  3. Step 3: Cross multiply
    270,048.48x = 404,222.16 × 185,313.20
  4. Step 4: Simplify right side
    270,048.48x = 74,907,701,980.51
  5. Step 5: Solve for x
    x = 74,907,701,980.51/270,048.48
  6. Step 6: Final answer
    x = 277,386.13

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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.