Finding the Fourth Proportional to 137,042.98, 205,599.84 and 42,271.02
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Solution
The fourth proportional to 137,042.98, 205,599.84 and 42,271.02 is: 63,417.44
Step by Step Solution
- Step 1: Write the proportion equation
137,042.98 : 205,599.84 = 42,271.02 : x - Step 2: Convert to fraction form
137,042.98/205,599.84 = 42,271.02/x - Step 3: Cross multiply
137,042.98x = 205,599.84 × 42,271.02 - Step 4: Simplify right side
137,042.98x = 8,690,914,948.64 - Step 5: Solve for x
x = 8,690,914,948.64/137,042.98 - Step 6: Final answer
x = 63,417.44
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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.