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Finding the Fourth Proportional to 248,459.58, 342,878.37 and 141,032.91

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Solution

The fourth proportional to 248,459.58, 342,878.37 and 141,032.91 is: 194,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,459.58 : 342,878.37 = 141,032.91 : x
  2. Step 2: Convert to fraction form
    248,459.58/342,878.37 = 141,032.91/x
  3. Step 3: Cross multiply
    248,459.58x = 342,878.37 × 141,032.91
  4. Step 4: Simplify right side
    248,459.58x = 48,357,134,297.16
  5. Step 5: Solve for x
    x = 48,357,134,297.16/248,459.58
  6. Step 6: Final answer
    x = 194,627.77

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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.