Finding the Fourth Proportional to 319,242.42, 440,541.27 and 174,045.06
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Solution
The fourth proportional to 319,242.42, 440,541.27 and 174,045.06 is: 240,174.95
Step by Step Solution
- Step 1: Write the proportion equation
319,242.42 : 440,541.27 = 174,045.06 : x - Step 2: Convert to fraction form
319,242.42/440,541.27 = 174,045.06/x - Step 3: Cross multiply
319,242.42x = 440,541.27 × 174,045.06 - Step 4: Simplify right side
319,242.42x = 76,674,031,769.63 - Step 5: Solve for x
x = 76,674,031,769.63/319,242.42 - Step 6: Final answer
x = 240,174.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.