Home / 292,730.48-438,772.90-191,486.50

Finding the Fourth Proportional to 292,730.48, 438,772.90 and 191,486.50

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Solution

The fourth proportional to 292,730.48, 438,772.90 and 191,486.50 is: 287,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,730.48 : 438,772.90 = 191,486.50 : x
  2. Step 2: Convert to fraction form
    292,730.48/438,772.90 = 191,486.50/x
  3. Step 3: Cross multiply
    292,730.48x = 438,772.90 × 191,486.50
  4. Step 4: Simplify right side
    292,730.48x = 84,019,085,340.20
  5. Step 5: Solve for x
    x = 84,019,085,340.20/292,730.48
  6. Step 6: Final answer
    x = 287,018.58

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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.