Finding the Fourth Proportional to 357,642.18, 493,762.92 and 236,886.96
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Solution
The fourth proportional to 357,642.18, 493,762.92 and 236,886.96 is: 327,047.55
Step by Step Solution
- Step 1: Write the proportion equation
357,642.18 : 493,762.92 = 236,886.96 : x - Step 2: Convert to fraction form
357,642.18/493,762.92 = 236,886.96/x - Step 3: Cross multiply
357,642.18x = 493,762.92 × 236,886.96 - Step 4: Simplify right side
357,642.18x = 116,965,997,079.52 - Step 5: Solve for x
x = 116,965,997,079.52/357,642.18 - Step 6: Final answer
x = 327,047.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.