Home / 304,511.98-456,831.01-91,271.28

Finding the Fourth Proportional to 304,511.98, 456,831.01 and 91,271.28

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Solution

The fourth proportional to 304,511.98, 456,831.01 and 91,271.28 is: 136,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,511.98 : 456,831.01 = 91,271.28 : x
  2. Step 2: Convert to fraction form
    304,511.98/456,831.01 = 91,271.28/x
  3. Step 3: Cross multiply
    304,511.98x = 456,831.01 × 91,271.28
  4. Step 4: Simplify right side
    304,511.98x = 41,695,551,026.39
  5. Step 5: Solve for x
    x = 41,695,551,026.39/304,511.98
  6. Step 6: Final answer
    x = 136,925.81

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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.