Home / 346,041.12-477,570.14-210,043.72

Finding the Fourth Proportional to 346,041.12, 477,570.14 and 210,043.72

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Solution

The fourth proportional to 346,041.12, 477,570.14 and 210,043.72 is: 289,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,041.12 : 477,570.14 = 210,043.72 : x
  2. Step 2: Convert to fraction form
    346,041.12/477,570.14 = 210,043.72/x
  3. Step 3: Cross multiply
    346,041.12x = 477,570.14 × 210,043.72
  4. Step 4: Simplify right side
    346,041.12x = 100,310,608,766.52
  5. Step 5: Solve for x
    x = 100,310,608,766.52/346,041.12
  6. Step 6: Final answer
    x = 289,880.60

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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.