Home / 427,641.04-590,146.19-231,407.51

Finding the Fourth Proportional to 427,641.04, 590,146.19 and 231,407.51

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Solution

The fourth proportional to 427,641.04, 590,146.19 and 231,407.51 is: 319,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,641.04 : 590,146.19 = 231,407.51 : x
  2. Step 2: Convert to fraction form
    427,641.04/590,146.19 = 231,407.51/x
  3. Step 3: Cross multiply
    427,641.04x = 590,146.19 × 231,407.51
  4. Step 4: Simplify right side
    427,641.04x = 136,564,262,417.77
  5. Step 5: Solve for x
    x = 136,564,262,417.77/427,641.04
  6. Step 6: Final answer
    x = 319,343.21

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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.