Home / 330,774.72-456,459.36-187,547.84

Finding the Fourth Proportional to 330,774.72, 456,459.36 and 187,547.84

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Solution

The fourth proportional to 330,774.72, 456,459.36 and 187,547.84 is: 258,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,774.72 : 456,459.36 = 187,547.84 : x
  2. Step 2: Convert to fraction form
    330,774.72/456,459.36 = 187,547.84/x
  3. Step 3: Cross multiply
    330,774.72x = 456,459.36 × 187,547.84
  4. Step 4: Simplify right side
    330,774.72x = 85,607,967,015.78
  5. Step 5: Solve for x
    x = 85,607,967,015.78/330,774.72
  6. Step 6: Final answer
    x = 258,810.49

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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.