Finding the Fourth Proportional to 97,562.70, 146,312.91 and 30,987.26
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Solution
The fourth proportional to 97,562.70, 146,312.91 and 30,987.26 is: 46,470.99
Step by Step Solution
- Step 1: Write the proportion equation
97,562.70 : 146,312.91 = 30,987.26 : x - Step 2: Convert to fraction form
97,562.70/146,312.91 = 30,987.26/x - Step 3: Cross multiply
97,562.70x = 146,312.91 × 30,987.26 - Step 4: Simplify right side
97,562.70x = 4,533,835,451.96 - Step 5: Solve for x
x = 4,533,835,451.96/97,562.70 - Step 6: Final answer
x = 46,470.99
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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.