Finding the Fourth Proportional to 291,089.20, 401,674.52 and 163,762.08
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Solution
The fourth proportional to 291,089.20, 401,674.52 and 163,762.08 is: 225,975.59
Step by Step Solution
- Step 1: Write the proportion equation
291,089.20 : 401,674.52 = 163,762.08 : x - Step 2: Convert to fraction form
291,089.20/401,674.52 = 163,762.08/x - Step 3: Cross multiply
291,089.20x = 401,674.52 × 163,762.08 - Step 4: Simplify right side
291,089.20x = 65,779,054,878.20 - Step 5: Solve for x
x = 65,779,054,878.20/291,089.20 - Step 6: Final answer
x = 225,975.59
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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.