Finding the Fourth Proportional to 260,382.19, 390,570.44 and 197,587.95
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Solution
The fourth proportional to 260,382.19, 390,570.44 and 197,587.95 is: 296,379.77
Step by Step Solution
- Step 1: Write the proportion equation
260,382.19 : 390,570.44 = 197,587.95 : x - Step 2: Convert to fraction form
260,382.19/390,570.44 = 197,587.95/x - Step 3: Cross multiply
260,382.19x = 390,570.44 × 197,587.95 - Step 4: Simplify right side
260,382.19x = 77,172,012,570.20 - Step 5: Solve for x
x = 77,172,012,570.20/260,382.19 - Step 6: Final answer
x = 296,379.77
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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.