Finding the Fourth Proportional to 316,478.95, 474,390.36 and 197,877.94
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Solution
The fourth proportional to 316,478.95, 474,390.36 and 197,877.94 is: 296,611.79
Step by Step Solution
- Step 1: Write the proportion equation
316,478.95 : 474,390.36 = 197,877.94 : x - Step 2: Convert to fraction form
316,478.95/474,390.36 = 197,877.94/x - Step 3: Cross multiply
316,478.95x = 474,390.36 × 197,877.94 - Step 4: Simplify right side
316,478.95x = 93,871,387,192.66 - Step 5: Solve for x
x = 93,871,387,192.66/316,478.95 - Step 6: Final answer
x = 296,611.79
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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.