Finding the Fourth Proportional to 272,258.70, 375,714.99 and 151,411.02
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Solution
The fourth proportional to 272,258.70, 375,714.99 and 151,411.02 is: 208,946.09
Step by Step Solution
- Step 1: Write the proportion equation
272,258.70 : 375,714.99 = 151,411.02 : x - Step 2: Convert to fraction form
272,258.70/375,714.99 = 151,411.02/x - Step 3: Cross multiply
272,258.70x = 375,714.99 × 151,411.02 - Step 4: Simplify right side
272,258.70x = 56,887,389,865.19 - Step 5: Solve for x
x = 56,887,389,865.19/272,258.70 - Step 6: Final answer
x = 208,946.09
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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.