Home / 446,730.40-670,030.80-131,154.40

Finding the Fourth Proportional to 446,730.40, 670,030.80 and 131,154.40

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Solution

The fourth proportional to 446,730.40, 670,030.80 and 131,154.40 is: 196,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,730.40 : 670,030.80 = 131,154.40 : x
  2. Step 2: Convert to fraction form
    446,730.40/670,030.80 = 131,154.40/x
  3. Step 3: Cross multiply
    446,730.40x = 670,030.80 × 131,154.40
  4. Step 4: Simplify right side
    446,730.40x = 87,877,487,555.52
  5. Step 5: Solve for x
    x = 87,877,487,555.52/446,730.40
  6. Step 6: Final answer
    x = 196,712.58

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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.