Finding the Fourth Proportional to 316,777.26, 437,183.94 and 180,831.66
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Solution
The fourth proportional to 316,777.26, 437,183.94 and 180,831.66 is: 249,565.57
Step by Step Solution
- Step 1: Write the proportion equation
316,777.26 : 437,183.94 = 180,831.66 : x - Step 2: Convert to fraction form
316,777.26/437,183.94 = 180,831.66/x - Step 3: Cross multiply
316,777.26x = 437,183.94 × 180,831.66 - Step 4: Simplify right side
316,777.26x = 79,056,697,595.54 - Step 5: Solve for x
x = 79,056,697,595.54/316,777.26 - Step 6: Final answer
x = 249,565.57
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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.