Finding the Fourth Proportional to 316,804.88, 474,026.18 and 313,261.94
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Solution
The fourth proportional to 316,804.88, 474,026.18 and 313,261.94 is: 468,724.98
Step by Step Solution
- Step 1: Write the proportion equation
316,804.88 : 474,026.18 = 313,261.94 : x - Step 2: Convert to fraction form
316,804.88/474,026.18 = 313,261.94/x - Step 3: Cross multiply
316,804.88x = 474,026.18 × 313,261.94 - Step 4: Simplify right side
316,804.88x = 148,494,360,757.59 - Step 5: Solve for x
x = 148,494,360,757.59/316,804.88 - Step 6: Final answer
x = 468,724.98
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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.