Finding the Fourth Proportional to 398,752.93, 598,129.40 and 118,267.75
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Solution
The fourth proportional to 398,752.93, 598,129.40 and 118,267.75 is: 177,401.63
Step by Step Solution
- Step 1: Write the proportion equation
398,752.93 : 598,129.40 = 118,267.75 : x - Step 2: Convert to fraction form
398,752.93/598,129.40 = 118,267.75/x - Step 3: Cross multiply
398,752.93x = 598,129.40 × 118,267.75 - Step 4: Simplify right side
398,752.93x = 70,739,418,346.85 - Step 5: Solve for x
x = 70,739,418,346.85/398,752.93 - Step 6: Final answer
x = 177,401.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.