Home / 210,016.40-315,024.60-188,365.10

Finding the Fourth Proportional to 210,016.40, 315,024.60 and 188,365.10

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Solution

The fourth proportional to 210,016.40, 315,024.60 and 188,365.10 is: 282,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,016.40 : 315,024.60 = 188,365.10 : x
  2. Step 2: Convert to fraction form
    210,016.40/315,024.60 = 188,365.10/x
  3. Step 3: Cross multiply
    210,016.40x = 315,024.60 × 188,365.10
  4. Step 4: Simplify right side
    210,016.40x = 59,339,640,281.46
  5. Step 5: Solve for x
    x = 59,339,640,281.46/210,016.40
  6. Step 6: Final answer
    x = 282,547.65

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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.