Home / 346,126.50-477,654.57-187,150.50

Finding the Fourth Proportional to 346,126.50, 477,654.57 and 187,150.50

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Solution

The fourth proportional to 346,126.50, 477,654.57 and 187,150.50 is: 258,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,126.50 : 477,654.57 = 187,150.50 : x
  2. Step 2: Convert to fraction form
    346,126.50/477,654.57 = 187,150.50/x
  3. Step 3: Cross multiply
    346,126.50x = 477,654.57 × 187,150.50
  4. Step 4: Simplify right side
    346,126.50x = 89,393,291,602.79
  5. Step 5: Solve for x
    x = 89,393,291,602.79/346,126.50
  6. Step 6: Final answer
    x = 258,267.69

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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.