Finding the Fourth Proportional to 347,261.80, 520,892.70 and 97,943.80
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Solution
The fourth proportional to 347,261.80, 520,892.70 and 97,943.80 is: 146,915.70
Step by Step Solution
- Step 1: Write the proportion equation
347,261.80 : 520,892.70 = 97,943.80 : x - Step 2: Convert to fraction form
347,261.80/520,892.70 = 97,943.80/x - Step 3: Cross multiply
347,261.80x = 520,892.70 × 97,943.80 - Step 4: Simplify right side
347,261.80x = 51,018,210,430.26 - Step 5: Solve for x
x = 51,018,210,430.26/347,261.80 - Step 6: Final answer
x = 146,915.70
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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.