Finding the Fourth Proportional to 148,377.32, 204,647.68 and 127,715.99
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Solution
The fourth proportional to 148,377.32, 204,647.68 and 127,715.99 is: 176,150.78
Step by Step Solution
- Step 1: Write the proportion equation
148,377.32 : 204,647.68 = 127,715.99 : x - Step 2: Convert to fraction form
148,377.32/204,647.68 = 127,715.99/x - Step 3: Cross multiply
148,377.32x = 204,647.68 × 127,715.99 - Step 4: Simplify right side
148,377.32x = 26,136,779,390.58 - Step 5: Solve for x
x = 26,136,779,390.58/148,377.32 - Step 6: Final answer
x = 176,150.78
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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.