Finding the Fourth Proportional to 260,403.84, 390,663.90 and 110,648.88
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Solution
The fourth proportional to 260,403.84, 390,663.90 and 110,648.88 is: 165,998.02
Step by Step Solution
- Step 1: Write the proportion equation
260,403.84 : 390,663.90 = 110,648.88 : x - Step 2: Convert to fraction form
260,403.84/390,663.90 = 110,648.88/x - Step 3: Cross multiply
260,403.84x = 390,663.90 × 110,648.88 - Step 4: Simplify right side
260,403.84x = 43,226,522,991.43 - Step 5: Solve for x
x = 43,226,522,991.43/260,403.84 - Step 6: Final answer
x = 165,998.02
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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.