Finding the Fourth Proportional to 353,053.68, 529,575.93 and 86,816.52
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Solution
The fourth proportional to 353,053.68, 529,575.93 and 86,816.52 is: 130,223.65
Step by Step Solution
- Step 1: Write the proportion equation
353,053.68 : 529,575.93 = 86,816.52 : x - Step 2: Convert to fraction form
353,053.68/529,575.93 = 86,816.52/x - Step 3: Cross multiply
353,053.68x = 529,575.93 × 86,816.52 - Step 4: Simplify right side
353,053.68x = 45,975,939,318.36 - Step 5: Solve for x
x = 45,975,939,318.36/353,053.68 - Step 6: Final answer
x = 130,223.65
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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.