Finding the Fourth Proportional to 515,055.60, 772,364.70 and 248,897.70
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Solution
The fourth proportional to 515,055.60, 772,364.70 and 248,897.70 is: 373,240.86
Step by Step Solution
- Step 1: Write the proportion equation
515,055.60 : 772,364.70 = 248,897.70 : x - Step 2: Convert to fraction form
515,055.60/772,364.70 = 248,897.70/x - Step 3: Cross multiply
515,055.60x = 772,364.70 × 248,897.70 - Step 4: Simplify right side
515,055.60x = 192,239,797,391.19 - Step 5: Solve for x
x = 192,239,797,391.19/515,055.60 - Step 6: Final answer
x = 373,240.86
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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.