Finding the Fourth Proportional to 148,376.32, 204,646.30 and 127,714.99
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Solution
The fourth proportional to 148,376.32, 204,646.30 and 127,714.99 is: 176,149.40
Step by Step Solution
- Step 1: Write the proportion equation
148,376.32 : 204,646.30 = 127,714.99 : x - Step 2: Convert to fraction form
148,376.32/204,646.30 = 127,714.99/x - Step 3: Cross multiply
148,376.32x = 204,646.30 × 127,714.99 - Step 4: Simplify right side
148,376.32x = 26,136,398,496.23 - Step 5: Solve for x
x = 26,136,398,496.23/148,376.32 - Step 6: Final answer
x = 176,149.40
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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.