Finding the Fourth Proportional to 105,337.30, 157,617.68 and 63,242.96
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Solution
The fourth proportional to 105,337.30, 157,617.68 and 63,242.96 is: 94,631.33
Step by Step Solution
- Step 1: Write the proportion equation
105,337.30 : 157,617.68 = 63,242.96 : x - Step 2: Convert to fraction form
105,337.30/157,617.68 = 63,242.96/x - Step 3: Cross multiply
105,337.30x = 157,617.68 × 63,242.96 - Step 4: Simplify right side
105,337.30x = 9,968,208,631.53 - Step 5: Solve for x
x = 9,968,208,631.53/105,337.30 - Step 6: Final answer
x = 94,631.33
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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.