Home / 477,030.44-715,370.70-139,984.58

Finding the Fourth Proportional to 477,030.44, 715,370.70 and 139,984.58

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Solution

The fourth proportional to 477,030.44, 715,370.70 and 139,984.58 is: 209,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,030.44 : 715,370.70 = 139,984.58 : x
  2. Step 2: Convert to fraction form
    477,030.44/715,370.70 = 139,984.58/x
  3. Step 3: Cross multiply
    477,030.44x = 715,370.70 × 139,984.58
  4. Step 4: Simplify right side
    477,030.44x = 100,140,866,983.81
  5. Step 5: Solve for x
    x = 100,140,866,983.81/477,030.44
  6. Step 6: Final answer
    x = 209,925.53

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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.