Home / 319,185.42-478,848.14-94,563.40

Finding the Fourth Proportional to 319,185.42, 478,848.14 and 94,563.40

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Solution

The fourth proportional to 319,185.42, 478,848.14 and 94,563.40 is: 141,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,185.42 : 478,848.14 = 94,563.40 : x
  2. Step 2: Convert to fraction form
    319,185.42/478,848.14 = 94,563.40/x
  3. Step 3: Cross multiply
    319,185.42x = 478,848.14 × 94,563.40
  4. Step 4: Simplify right side
    319,185.42x = 45,281,508,202.08
  5. Step 5: Solve for x
    x = 45,281,508,202.08/319,185.42
  6. Step 6: Final answer
    x = 141,865.84

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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.