Finding the Fourth Proportional to 306,563,599.32, 422,994,613.50 and 176,158,213.08
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Solution
The fourth proportional to 306,563,599.32, 422,994,613.50 and 176,158,213.08 is: 243,062,044.62
Step by Step Solution
- Step 1: Write the proportion equation
306,563,599.32 : 422,994,613.50 = 176,158,213.08 : x - Step 2: Convert to fraction form
306,563,599.32/422,994,613.50 = 176,158,213.08/x - Step 3: Cross multiply
306,563,599.32x = 422,994,613.50 × 176,158,213.08 - Step 4: Simplify right side
306,563,599.32x = 74,513,975,256,625,248 - Step 5: Solve for x
x = 74,513,975,256,625,248/306,563,599.32 - Step 6: Final answer
x = 243,062,044.62
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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.