Finding the Fourth Proportional to 316,560.03, 474,864.63 and 91,924.17
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Solution
The fourth proportional to 316,560.03, 474,864.63 and 91,924.17 is: 137,893.39
Step by Step Solution
- Step 1: Write the proportion equation
316,560.03 : 474,864.63 = 91,924.17 : x - Step 2: Convert to fraction form
316,560.03/474,864.63 = 91,924.17/x - Step 3: Cross multiply
316,560.03x = 474,864.63 × 91,924.17 - Step 4: Simplify right side
316,560.03x = 43,651,534,600.78 - Step 5: Solve for x
x = 43,651,534,600.78/316,560.03 - Step 6: Final answer
x = 137,893.39
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1.5x scale
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.