Finding the Fourth Proportional to 347,090.24, 520,715.58 and 147,417.14
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Solution
The fourth proportional to 347,090.24, 520,715.58 and 147,417.14 is: 221,159.78
Step by Step Solution
- Step 1: Write the proportion equation
347,090.24 : 520,715.58 = 147,417.14 : x - Step 2: Convert to fraction form
347,090.24/520,715.58 = 147,417.14/x - Step 3: Cross multiply
347,090.24x = 520,715.58 × 147,417.14 - Step 4: Simplify right side
347,090.24x = 76,762,401,557.04 - Step 5: Solve for x
x = 76,762,401,557.04/347,090.24 - Step 6: Final answer
x = 221,159.78
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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.