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Finding the Fourth Proportional to 291,574.76, 402,371.37 and 164,291.36

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Solution

The fourth proportional to 291,574.76, 402,371.37 and 164,291.36 is: 226,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,574.76 : 402,371.37 = 164,291.36 : x
  2. Step 2: Convert to fraction form
    291,574.76/402,371.37 = 164,291.36/x
  3. Step 3: Cross multiply
    291,574.76x = 402,371.37 × 164,291.36
  4. Step 4: Simplify right side
    291,574.76x = 66,106,137,590.51
  5. Step 5: Solve for x
    x = 66,106,137,590.51/291,574.76
  6. Step 6: Final answer
    x = 226,721.06

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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.