Finding the Fourth Proportional to 292,133.36, 438,381.48 and 187,027.76
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Solution
The fourth proportional to 292,133.36, 438,381.48 and 187,027.76 is: 280,657.80
Step by Step Solution
- Step 1: Write the proportion equation
292,133.36 : 438,381.48 = 187,027.76 : x - Step 2: Convert to fraction form
292,133.36/438,381.48 = 187,027.76/x - Step 3: Cross multiply
292,133.36x = 438,381.48 × 187,027.76 - Step 4: Simplify right side
292,133.36x = 81,989,506,229.88 - Step 5: Solve for x
x = 81,989,506,229.88/292,133.36 - Step 6: Final answer
x = 280,657.80
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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.