Home / 831,125.51-1,246,688.61-200,039.32

Finding the Fourth Proportional to 831,125.51, 1,246,688.61 and 200,039.32

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Solution

The fourth proportional to 831,125.51, 1,246,688.61 and 200,039.32 is: 300,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,125.51 : 1,246,688.61 = 200,039.32 : x
  2. Step 2: Convert to fraction form
    831,125.51/1,246,688.61 = 200,039.32/x
  3. Step 3: Cross multiply
    831,125.51x = 1,246,688.61 × 200,039.32
  4. Step 4: Simplify right side
    831,125.51x = 249,386,745,223.22
  5. Step 5: Solve for x
    x = 249,386,745,223.22/831,125.51
  6. Step 6: Final answer
    x = 300,059.07

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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.