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Finding the Fourth Proportional to 300,058.08, 450,089.28 and 89,697.84

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Solution

The fourth proportional to 300,058.08, 450,089.28 and 89,697.84 is: 134,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,058.08 : 450,089.28 = 89,697.84 : x
  2. Step 2: Convert to fraction form
    300,058.08/450,089.28 = 89,697.84/x
  3. Step 3: Cross multiply
    300,058.08x = 450,089.28 × 89,697.84
  4. Step 4: Simplify right side
    300,058.08x = 40,372,036,223.16
  5. Step 5: Solve for x
    x = 40,372,036,223.16/300,058.08
  6. Step 6: Final answer
    x = 134,547.41

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1.5x scale

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.