Home / 472,435.36-651,952.02-257,577.28

Finding the Fourth Proportional to 472,435.36, 651,952.02 and 257,577.28

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Solution

The fourth proportional to 472,435.36, 651,952.02 and 257,577.28 is: 355,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,435.36 : 651,952.02 = 257,577.28 : x
  2. Step 2: Convert to fraction form
    472,435.36/651,952.02 = 257,577.28/x
  3. Step 3: Cross multiply
    472,435.36x = 651,952.02 × 257,577.28
  4. Step 4: Simplify right side
    472,435.36x = 167,928,028,002.11
  5. Step 5: Solve for x
    x = 167,928,028,002.11/472,435.36
  6. Step 6: Final answer
    x = 355,451.86

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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.