Finding the Fourth Proportional to 718,118.30, 1,077,335.40 and 212,718.80
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Solution
The fourth proportional to 718,118.30, 1,077,335.40 and 212,718.80 is: 319,124.99
Step by Step Solution
- Step 1: Write the proportion equation
718,118.30 : 1,077,335.40 = 212,718.80 : x - Step 2: Convert to fraction form
718,118.30/1,077,335.40 = 212,718.80/x - Step 3: Cross multiply
718,118.30x = 1,077,335.40 × 212,718.80 - Step 4: Simplify right side
718,118.30x = 229,169,493,485.52 - Step 5: Solve for x
x = 229,169,493,485.52/718,118.30 - Step 6: Final answer
x = 319,124.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.