Finding the Fourth Proportional to 372,332.15, 554,286.80 and 370,117.79
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Solution
The fourth proportional to 372,332.15, 554,286.80 and 370,117.79 is: 550,990.31
Step by Step Solution
- Step 1: Write the proportion equation
372,332.15 : 554,286.80 = 370,117.79 : x - Step 2: Convert to fraction form
372,332.15/554,286.80 = 370,117.79/x - Step 3: Cross multiply
372,332.15x = 554,286.80 × 370,117.79 - Step 4: Simplify right side
372,332.15x = 205,151,403,596.03 - Step 5: Solve for x
x = 205,151,403,596.03/372,332.15 - Step 6: Final answer
x = 550,990.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.