Home / 361,573.04-498,918.36-200,428

Finding the Fourth Proportional to 361,573.04, 498,918.36 and 200,428

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Solution

The fourth proportional to 361,573.04, 498,918.36 and 200,428 is: 276,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,573.04 : 498,918.36 = 200,428 : x
  2. Step 2: Convert to fraction form
    361,573.04/498,918.36 = 200,428/x
  3. Step 3: Cross multiply
    361,573.04x = 498,918.36 × 200,428
  4. Step 4: Simplify right side
    361,573.04x = 99,997,209,058.08
  5. Step 5: Solve for x
    x = 99,997,209,058.08/361,573.04
  6. Step 6: Final answer
    x = 276,561.57

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1.5x scale

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.