Home / 208,923.60-288,313.71-113,430.27

Finding the Fourth Proportional to 208,923.60, 288,313.71 and 113,430.27

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Solution

The fourth proportional to 208,923.60, 288,313.71 and 113,430.27 is: 156,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.60 : 288,313.71 = 113,430.27 : x
  2. Step 2: Convert to fraction form
    208,923.60/288,313.71 = 113,430.27/x
  3. Step 3: Cross multiply
    208,923.60x = 288,313.71 × 113,430.27
  4. Step 4: Simplify right side
    208,923.60x = 32,703,501,970.00
  5. Step 5: Solve for x
    x = 32,703,501,970.00/208,923.60
  6. Step 6: Final answer
    x = 156,533.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.