Finding the Fourth Proportional to 260,380.19, 390,567.44 and 197,585.95
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Solution
The fourth proportional to 260,380.19, 390,567.44 and 197,585.95 is: 296,376.77
Step by Step Solution
- Step 1: Write the proportion equation
260,380.19 : 390,567.44 = 197,585.95 : x - Step 2: Convert to fraction form
260,380.19/390,567.44 = 197,585.95/x - Step 3: Cross multiply
260,380.19x = 390,567.44 × 197,585.95 - Step 4: Simplify right side
260,380.19x = 77,170,638,189.01 - Step 5: Solve for x
x = 77,170,638,189.01/260,380.19 - Step 6: Final answer
x = 296,376.77
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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.