Home / 536,669.40-805,031.64-137,313.60

Finding the Fourth Proportional to 536,669.40, 805,031.64 and 137,313.60

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Solution

The fourth proportional to 536,669.40, 805,031.64 and 137,313.60 is: 205,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,669.40 : 805,031.64 = 137,313.60 : x
  2. Step 2: Convert to fraction form
    536,669.40/805,031.64 = 137,313.60/x
  3. Step 3: Cross multiply
    536,669.40x = 805,031.64 × 137,313.60
  4. Step 4: Simplify right side
    536,669.40x = 110,541,792,602.30
  5. Step 5: Solve for x
    x = 110,541,792,602.30/536,669.40
  6. Step 6: Final answer
    x = 205,977.45

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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.