Finding the Fourth Proportional to 248,832,307.20, 373,248,460.80 and 239,762,380.80
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Solution
The fourth proportional to 248,832,307.20, 373,248,460.80 and 239,762,380.80 is: 359,643,571.20
Step by Step Solution
- Step 1: Write the proportion equation
248,832,307.20 : 373,248,460.80 = 239,762,380.80 : x - Step 2: Convert to fraction form
248,832,307.20/373,248,460.80 = 239,762,380.80/x - Step 3: Cross multiply
248,832,307.20x = 373,248,460.80 × 239,762,380.80 - Step 4: Simplify right side
248,832,307.20x = 89,490,939,591,343,472 - Step 5: Solve for x
x = 89,490,939,591,343,472/248,832,307.20 - Step 6: Final answer
x = 359,643,571.20
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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.