Finding the Fourth Proportional to 304,723,651.24, 420,544,573.14 and 172,588,154.14
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Solution
The fourth proportional to 304,723,651.24, 420,544,573.14 and 172,588,154.14 is: 238,186,341.35
Step by Step Solution
- Step 1: Write the proportion equation
304,723,651.24 : 420,544,573.14 = 172,588,154.14 : x - Step 2: Convert to fraction form
304,723,651.24/420,544,573.14 = 172,588,154.14/x - Step 3: Cross multiply
304,723,651.24x = 420,544,573.14 × 172,588,154.14 - Step 4: Simplify right side
304,723,651.24x = 72,581,011,611,826,816 - Step 5: Solve for x
x = 72,581,011,611,826,816/304,723,651.24 - Step 6: Final answer
x = 238,186,341.35
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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.