Home / 287,985.42-397,491.03-174,902.94

Finding the Fourth Proportional to 287,985.42, 397,491.03 and 174,902.94

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Solution

The fourth proportional to 287,985.42, 397,491.03 and 174,902.94 is: 241,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,985.42 : 397,491.03 = 174,902.94 : x
  2. Step 2: Convert to fraction form
    287,985.42/397,491.03 = 174,902.94/x
  3. Step 3: Cross multiply
    287,985.42x = 397,491.03 × 174,902.94
  4. Step 4: Simplify right side
    287,985.42x = 69,522,349,770.63
  5. Step 5: Solve for x
    x = 69,522,349,770.63/287,985.42
  6. Step 6: Final answer
    x = 241,409.27

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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.