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Finding the Fourth Proportional to 184,498.40, 276,574.80 and 144,495.20

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Solution

The fourth proportional to 184,498.40, 276,574.80 and 144,495.20 is: 216,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,498.40 : 276,574.80 = 144,495.20 : x
  2. Step 2: Convert to fraction form
    184,498.40/276,574.80 = 144,495.20/x
  3. Step 3: Cross multiply
    184,498.40x = 276,574.80 × 144,495.20
  4. Step 4: Simplify right side
    184,498.40x = 39,963,731,040.96
  5. Step 5: Solve for x
    x = 39,963,731,040.96/184,498.40
  6. Step 6: Final answer
    x = 216,607.47

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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.