Finding the Fourth Proportional to 316,817.96, 474,045.78 and 313,274.84
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Solution
The fourth proportional to 316,817.96, 474,045.78 and 313,274.84 is: 468,744.31
Step by Step Solution
- Step 1: Write the proportion equation
316,817.96 : 474,045.78 = 313,274.84 : x - Step 2: Convert to fraction form
316,817.96/474,045.78 = 313,274.84/x - Step 3: Cross multiply
316,817.96x = 474,045.78 × 313,274.84 - Step 4: Simplify right side
316,817.96x = 148,506,615,882.18 - Step 5: Solve for x
x = 148,506,615,882.18/316,817.96 - Step 6: Final answer
x = 468,744.31
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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.