Finding the Fourth Proportional to 558,089.90, 770,154.99 and 303,447.50
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Solution
The fourth proportional to 558,089.90, 770,154.99 and 303,447.50 is: 418,752.62
Step by Step Solution
- Step 1: Write the proportion equation
558,089.90 : 770,154.99 = 303,447.50 : x - Step 2: Convert to fraction form
558,089.90/770,154.99 = 303,447.50/x - Step 3: Cross multiply
558,089.90x = 770,154.99 × 303,447.50 - Step 4: Simplify right side
558,089.90x = 233,701,606,328.03 - Step 5: Solve for x
x = 233,701,606,328.03/558,089.90 - Step 6: Final answer
x = 418,752.62
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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.