Finding the Fourth Proportional to 508,963.62, 763,346.94 and 153,894.42
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Solution
The fourth proportional to 508,963.62, 763,346.94 and 153,894.42 is: 230,811.85
Step by Step Solution
- Step 1: Write the proportion equation
508,963.62 : 763,346.94 = 153,894.42 : x - Step 2: Convert to fraction form
508,963.62/763,346.94 = 153,894.42/x - Step 3: Cross multiply
508,963.62x = 763,346.94 × 153,894.42 - Step 4: Simplify right side
508,963.62x = 117,474,834,590.08 - Step 5: Solve for x
x = 117,474,834,590.08/508,963.62 - Step 6: Final answer
x = 230,811.85
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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.