Home / 434,424.60-651,669.30-153,905.40

Finding the Fourth Proportional to 434,424.60, 651,669.30 and 153,905.40

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Solution

The fourth proportional to 434,424.60, 651,669.30 and 153,905.40 is: 230,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,424.60 : 651,669.30 = 153,905.40 : x
  2. Step 2: Convert to fraction form
    434,424.60/651,669.30 = 153,905.40/x
  3. Step 3: Cross multiply
    434,424.60x = 651,669.30 × 153,905.40
  4. Step 4: Simplify right side
    434,424.60x = 100,295,424,284.22
  5. Step 5: Solve for x
    x = 100,295,424,284.22/434,424.60
  6. Step 6: Final answer
    x = 230,869.58

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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.