Finding the Fourth Proportional to 305,035,291.50, 420,994,716.30 and 186,026,926.62
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Solution
The fourth proportional to 305,035,291.50, 420,994,716.30 and 186,026,926.62 is: 256,745,220.57
Step by Step Solution
- Step 1: Write the proportion equation
305,035,291.50 : 420,994,716.30 = 186,026,926.62 : x - Step 2: Convert to fraction form
305,035,291.50/420,994,716.30 = 186,026,926.62/x - Step 3: Cross multiply
305,035,291.50x = 420,994,716.30 × 186,026,926.62 - Step 4: Simplify right side
305,035,291.50x = 78,316,353,196,547,824 - Step 5: Solve for x
x = 78,316,353,196,547,824/305,035,291.50 - Step 6: Final answer
x = 256,745,220.57
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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.