Finding the Fourth Proportional to 266,325.26, 399,489.39 and 88,831.79
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Solution
The fourth proportional to 266,325.26, 399,489.39 and 88,831.79 is: 133,248.18
Step by Step Solution
- Step 1: Write the proportion equation
266,325.26 : 399,489.39 = 88,831.79 : x - Step 2: Convert to fraction form
266,325.26/399,489.39 = 88,831.79/x - Step 3: Cross multiply
266,325.26x = 399,489.39 × 88,831.79 - Step 4: Simplify right side
266,325.26x = 35,487,355,602.26 - Step 5: Solve for x
x = 35,487,355,602.26/266,325.26 - Step 6: Final answer
x = 133,248.18
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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.