Home / 355,289.12-489,746.64-241,916.96

Finding the Fourth Proportional to 355,289.12, 489,746.64 and 241,916.96

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Solution

The fourth proportional to 355,289.12, 489,746.64 and 241,916.96 is: 333,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,289.12 : 489,746.64 = 241,916.96 : x
  2. Step 2: Convert to fraction form
    355,289.12/489,746.64 = 241,916.96/x
  3. Step 3: Cross multiply
    355,289.12x = 489,746.64 × 241,916.96
  4. Step 4: Simplify right side
    355,289.12x = 118,478,018,319.01
  5. Step 5: Solve for x
    x = 118,478,018,319.01/355,289.12
  6. Step 6: Final answer
    x = 333,469.31

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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.