Finding the Fourth Proportional to 776,268.09, 1,164,402.05 and 215,302.59
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Solution
The fourth proportional to 776,268.09, 1,164,402.05 and 215,302.59 is: 322,953.86
Step by Step Solution
- Step 1: Write the proportion equation
776,268.09 : 1,164,402.05 = 215,302.59 : x - Step 2: Convert to fraction form
776,268.09/1,164,402.05 = 215,302.59/x - Step 3: Cross multiply
776,268.09x = 1,164,402.05 × 215,302.59 - Step 4: Simplify right side
776,268.09x = 250,698,776,089.80 - Step 5: Solve for x
x = 250,698,776,089.80/776,268.09 - Step 6: Final answer
x = 322,953.86
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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.