Home / 446,427.37-669,666.32-142,848.21

Finding the Fourth Proportional to 446,427.37, 669,666.32 and 142,848.21

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Solution

The fourth proportional to 446,427.37, 669,666.32 and 142,848.21 is: 214,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,427.37 : 669,666.32 = 142,848.21 : x
  2. Step 2: Convert to fraction form
    446,427.37/669,666.32 = 142,848.21/x
  3. Step 3: Cross multiply
    446,427.37x = 669,666.32 × 142,848.21
  4. Step 4: Simplify right side
    446,427.37x = 95,660,635,466.41
  5. Step 5: Solve for x
    x = 95,660,635,466.41/446,427.37
  6. Step 6: Final answer
    x = 214,280.40

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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.