Finding the Fourth Proportional to 304,128,520.80, 456,104,307.60 and 167,879,176.80
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Solution
The fourth proportional to 304,128,520.80, 456,104,307.60 and 167,879,176.80 is: 251,769,927.70
Step by Step Solution
- Step 1: Write the proportion equation
304,128,520.80 : 456,104,307.60 = 167,879,176.80 : x - Step 2: Convert to fraction form
304,128,520.80/456,104,307.60 = 167,879,176.80/x - Step 3: Cross multiply
304,128,520.80x = 456,104,307.60 × 167,879,176.80 - Step 4: Simplify right side
304,128,520.80x = 76,570,415,694,822,000 - Step 5: Solve for x
x = 76,570,415,694,822,000/304,128,520.80 - Step 6: Final answer
x = 251,769,927.70
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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.