Finding the Fourth Proportional to 316,423.80, 474,635.70 and 94,807.80
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Solution
The fourth proportional to 316,423.80, 474,635.70 and 94,807.80 is: 142,211.70
Step by Step Solution
- Step 1: Write the proportion equation
316,423.80 : 474,635.70 = 94,807.80 : x - Step 2: Convert to fraction form
316,423.80/474,635.70 = 94,807.80/x - Step 3: Cross multiply
316,423.80x = 474,635.70 × 94,807.80 - Step 4: Simplify right side
316,423.80x = 44,999,166,518.46 - Step 5: Solve for x
x = 44,999,166,518.46/316,423.80 - Step 6: Final answer
x = 142,211.70
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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.