Finding the Fourth Proportional to 153,292.78, 229,938.74 and 48,119.62
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Solution
The fourth proportional to 153,292.78, 229,938.74 and 48,119.62 is: 72,179.30
Step by Step Solution
- Step 1: Write the proportion equation
153,292.78 : 229,938.74 = 48,119.62 : x - Step 2: Convert to fraction form
153,292.78/229,938.74 = 48,119.62/x - Step 3: Cross multiply
153,292.78x = 229,938.74 × 48,119.62 - Step 4: Simplify right side
153,292.78x = 11,064,564,792.08 - Step 5: Solve for x
x = 11,064,564,792.08/153,292.78 - Step 6: Final answer
x = 72,179.30
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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.