Finding the Fourth Proportional to 242,554,927.20, 363,832,390.80 and 204,291,175.20
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Solution
The fourth proportional to 242,554,927.20, 363,832,390.80 and 204,291,175.20 is: 306,436,762.80
Step by Step Solution
- Step 1: Write the proportion equation
242,554,927.20 : 363,832,390.80 = 204,291,175.20 : x - Step 2: Convert to fraction form
242,554,927.20/363,832,390.80 = 204,291,175.20/x - Step 3: Cross multiply
242,554,927.20x = 363,832,390.80 × 204,291,175.20 - Step 4: Simplify right side
242,554,927.20x = 74,327,746,692,357,664 - Step 5: Solve for x
x = 74,327,746,692,357,664/242,554,927.20 - Step 6: Final answer
x = 306,436,762.80
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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.