Finding the Fourth Proportional to 370,278.96, 555,303.51 and 133,590.84
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Solution
The fourth proportional to 370,278.96, 555,303.51 and 133,590.84 is: 200,344.80
Step by Step Solution
- Step 1: Write the proportion equation
370,278.96 : 555,303.51 = 133,590.84 : x - Step 2: Convert to fraction form
370,278.96/555,303.51 = 133,590.84/x - Step 3: Cross multiply
370,278.96x = 555,303.51 × 133,590.84 - Step 4: Simplify right side
370,278.96x = 74,183,462,355.85 - Step 5: Solve for x
x = 74,183,462,355.85/370,278.96 - Step 6: Final answer
x = 200,344.80
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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.