Finding the Fourth Proportional to 260,388.30, 390,579.67 and 197,594.07
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Solution
The fourth proportional to 260,388.30, 390,579.67 and 197,594.07 is: 296,388.99
Step by Step Solution
- Step 1: Write the proportion equation
260,388.30 : 390,579.67 = 197,594.07 : x - Step 2: Convert to fraction form
260,388.30/390,579.67 = 197,594.07/x - Step 3: Cross multiply
260,388.30x = 390,579.67 × 197,594.07 - Step 4: Simplify right side
260,388.30x = 77,176,225,436.88 - Step 5: Solve for x
x = 77,176,225,436.88/260,388.30 - Step 6: Final answer
x = 296,388.99
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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.