Home / 318,038.32-438,889.62-174,795.40

Finding the Fourth Proportional to 318,038.32, 438,889.62 and 174,795.40

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Solution

The fourth proportional to 318,038.32, 438,889.62 and 174,795.40 is: 241,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,038.32 : 438,889.62 = 174,795.40 : x
  2. Step 2: Convert to fraction form
    318,038.32/438,889.62 = 174,795.40/x
  3. Step 3: Cross multiply
    318,038.32x = 438,889.62 × 174,795.40
  4. Step 4: Simplify right side
    318,038.32x = 76,715,886,683.75
  5. Step 5: Solve for x
    x = 76,715,886,683.75/318,038.32
  6. Step 6: Final answer
    x = 241,215.86

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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.