Home / 427,816.51-590,393.74-234,220.95

Finding the Fourth Proportional to 427,816.51, 590,393.74 and 234,220.95

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Solution

The fourth proportional to 427,816.51, 590,393.74 and 234,220.95 is: 323,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.51 : 590,393.74 = 234,220.95 : x
  2. Step 2: Convert to fraction form
    427,816.51/590,393.74 = 234,220.95/x
  3. Step 3: Cross multiply
    427,816.51x = 590,393.74 × 234,220.95
  4. Step 4: Simplify right side
    427,816.51x = 138,282,580,595.32
  5. Step 5: Solve for x
    x = 138,282,580,595.32/427,816.51
  6. Step 6: Final answer
    x = 323,228.72

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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.