Finding the Fourth Proportional to 463,226.12, 639,650.99 and 291,430.43
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Solution
The fourth proportional to 463,226.12, 639,650.99 and 291,430.43 is: 402,424.98
Step by Step Solution
- Step 1: Write the proportion equation
463,226.12 : 639,650.99 = 291,430.43 : x - Step 2: Convert to fraction form
463,226.12/639,650.99 = 291,430.43/x - Step 3: Cross multiply
463,226.12x = 639,650.99 × 291,430.43 - Step 4: Simplify right side
463,226.12x = 186,413,763,065.63 - Step 5: Solve for x
x = 186,413,763,065.63/463,226.12 - Step 6: Final answer
x = 402,424.98
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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.