Finding the Fourth Proportional to 166,177.60, 249,214.12 and 53,831.75
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Solution
The fourth proportional to 166,177.60, 249,214.12 and 53,831.75 is: 80,730.69
Step by Step Solution
- Step 1: Write the proportion equation
166,177.60 : 249,214.12 = 53,831.75 : x - Step 2: Convert to fraction form
166,177.60/249,214.12 = 53,831.75/x - Step 3: Cross multiply
166,177.60x = 249,214.12 × 53,831.75 - Step 4: Simplify right side
166,177.60x = 13,415,633,122.04 - Step 5: Solve for x
x = 13,415,633,122.04/166,177.60 - Step 6: Final answer
x = 80,730.69
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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.