Finding the Fourth Proportional to 369,919.47, 554,895.35 and 117,218.58
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Solution
The fourth proportional to 369,919.47, 554,895.35 and 117,218.58 is: 175,832.99
Step by Step Solution
- Step 1: Write the proportion equation
369,919.47 : 554,895.35 = 117,218.58 : x - Step 2: Convert to fraction form
369,919.47/554,895.35 = 117,218.58/x - Step 3: Cross multiply
369,919.47x = 554,895.35 × 117,218.58 - Step 4: Simplify right side
369,919.47x = 65,044,044,975.60 - Step 5: Solve for x
x = 65,044,044,975.60/369,919.47 - Step 6: Final answer
x = 175,832.99
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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.