Finding the Fourth Proportional to 272,415.84, 375,937.20 and 153,183.84
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Solution
The fourth proportional to 272,415.84, 375,937.20 and 153,183.84 is: 211,395.58
Step by Step Solution
- Step 1: Write the proportion equation
272,415.84 : 375,937.20 = 153,183.84 : x - Step 2: Convert to fraction form
272,415.84/375,937.20 = 153,183.84/x - Step 3: Cross multiply
272,415.84x = 375,937.20 × 153,183.84 - Step 4: Simplify right side
272,415.84x = 57,587,503,894.85 - Step 5: Solve for x
x = 57,587,503,894.85/272,415.84 - Step 6: Final answer
x = 211,395.58
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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.