Home / 210,006.90-315,010.35-188,355.60

Finding the Fourth Proportional to 210,006.90, 315,010.35 and 188,355.60

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Solution

The fourth proportional to 210,006.90, 315,010.35 and 188,355.60 is: 282,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,006.90 : 315,010.35 = 188,355.60 : x
  2. Step 2: Convert to fraction form
    210,006.90/315,010.35 = 188,355.60/x
  3. Step 3: Cross multiply
    210,006.90x = 315,010.35 × 188,355.60
  4. Step 4: Simplify right side
    210,006.90x = 59,333,963,480.46
  5. Step 5: Solve for x
    x = 59,333,963,480.46/210,006.90
  6. Step 6: Final answer
    x = 282,533.40

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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.