Finding the Fourth Proportional to 316,183.94, 474,240.97 and 79,526.71
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Solution
The fourth proportional to 316,183.94, 474,240.97 and 79,526.71 is: 119,281.28
Step by Step Solution
- Step 1: Write the proportion equation
316,183.94 : 474,240.97 = 79,526.71 : x - Step 2: Convert to fraction form
316,183.94/474,240.97 = 79,526.71/x - Step 3: Cross multiply
316,183.94x = 474,240.97 × 79,526.71 - Step 4: Simplify right side
316,183.94x = 37,714,824,091.31 - Step 5: Solve for x
x = 37,714,824,091.31/316,183.94 - Step 6: Final answer
x = 119,281.28
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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.