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Finding the Fourth Proportional to 348,402, 480,804.48 and 197,508.72

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Solution

The fourth proportional to 348,402, 480,804.48 and 197,508.72 is: 272,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,402 : 480,804.48 = 197,508.72 : x
  2. Step 2: Convert to fraction form
    348,402/480,804.48 = 197,508.72/x
  3. Step 3: Cross multiply
    348,402x = 480,804.48 × 197,508.72
  4. Step 4: Simplify right side
    348,402x = 94,963,077,415.07
  5. Step 5: Solve for x
    x = 94,963,077,415.07/348,402
  6. Step 6: Final answer
    x = 272,567.54

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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.