Home / 401,916.53-554,688.95-229,850.50

Finding the Fourth Proportional to 401,916.53, 554,688.95 and 229,850.50

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Solution

The fourth proportional to 401,916.53, 554,688.95 and 229,850.50 is: 317,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,916.53 : 554,688.95 = 229,850.50 : x
  2. Step 2: Convert to fraction form
    401,916.53/554,688.95 = 229,850.50/x
  3. Step 3: Cross multiply
    401,916.53x = 554,688.95 × 229,850.50
  4. Step 4: Simplify right side
    401,916.53x = 127,495,533,929.36
  5. Step 5: Solve for x
    x = 127,495,533,929.36/401,916.53
  6. Step 6: Final answer
    x = 317,218.94

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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.