Finding the Fourth Proportional to 508,811.60, 763,328.10 and 153,816.35
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Solution
The fourth proportional to 508,811.60, 763,328.10 and 153,816.35 is: 230,757.99
Step by Step Solution
- Step 1: Write the proportion equation
508,811.60 : 763,328.10 = 153,816.35 : x - Step 2: Convert to fraction form
508,811.60/763,328.10 = 153,816.35/x - Step 3: Cross multiply
508,811.60x = 763,328.10 × 153,816.35 - Step 4: Simplify right side
508,811.60x = 117,412,342,194.44 - Step 5: Solve for x
x = 117,412,342,194.44/508,811.60 - Step 6: Final answer
x = 230,757.99
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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.