Home / 421,823.09-632,827.59-122,316.18

Finding the Fourth Proportional to 421,823.09, 632,827.59 and 122,316.18

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Solution

The fourth proportional to 421,823.09, 632,827.59 and 122,316.18 is: 183,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,823.09 : 632,827.59 = 122,316.18 : x
  2. Step 2: Convert to fraction form
    421,823.09/632,827.59 = 122,316.18/x
  3. Step 3: Cross multiply
    421,823.09x = 632,827.59 × 122,316.18
  4. Step 4: Simplify right side
    421,823.09x = 77,405,050,575.62
  5. Step 5: Solve for x
    x = 77,405,050,575.62/421,823.09
  6. Step 6: Final answer
    x = 183,501.22

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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.