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Finding the Fourth Proportional to 280,151.35, 418,041.99 and 249,958.01

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Solution

The fourth proportional to 280,151.35, 418,041.99 and 249,958.01 is: 372,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,151.35 : 418,041.99 = 249,958.01 : x
  2. Step 2: Convert to fraction form
    280,151.35/418,041.99 = 249,958.01/x
  3. Step 3: Cross multiply
    280,151.35x = 418,041.99 × 249,958.01
  4. Step 4: Simplify right side
    280,151.35x = 104,492,943,916.84
  5. Step 5: Solve for x
    x = 104,492,943,916.84/280,151.35
  6. Step 6: Final answer
    x = 372,987.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.