Finding the Fourth Proportional to 347,782.96, 520,995.29 and 239,693.00
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Solution
The fourth proportional to 347,782.96, 520,995.29 and 239,693.00 is: 359,071.42
Step by Step Solution
- Step 1: Write the proportion equation
347,782.96 : 520,995.29 = 239,693.00 : x - Step 2: Convert to fraction form
347,782.96/520,995.29 = 239,693.00/x - Step 3: Cross multiply
347,782.96x = 520,995.29 × 239,693.00 - Step 4: Simplify right side
347,782.96x = 124,878,920,242.53 - Step 5: Solve for x
x = 124,878,920,242.53/347,782.96 - Step 6: Final answer
x = 359,071.42
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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.