Finding the Fourth Proportional to 272,356.64, 375,852.14 and 153,124.64
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Solution
The fourth proportional to 272,356.64, 375,852.14 and 153,124.64 is: 211,311.99
Step by Step Solution
- Step 1: Write the proportion equation
272,356.64 : 375,852.14 = 153,124.64 : x - Step 2: Convert to fraction form
272,356.64/375,852.14 = 153,124.64/x - Step 3: Cross multiply
272,356.64x = 375,852.14 × 153,124.64 - Step 4: Simplify right side
272,356.64x = 57,552,223,630.73 - Step 5: Solve for x
x = 57,552,223,630.73/272,356.64 - Step 6: Final answer
x = 211,311.99
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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.