Finding the Fourth Proportional to 307,767.58, 424,726.42 and 193,051.08
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Solution
The fourth proportional to 307,767.58, 424,726.42 and 193,051.08 is: 266,414.98
Step by Step Solution
- Step 1: Write the proportion equation
307,767.58 : 424,726.42 = 193,051.08 : x - Step 2: Convert to fraction form
307,767.58/424,726.42 = 193,051.08/x - Step 3: Cross multiply
307,767.58x = 424,726.42 × 193,051.08 - Step 4: Simplify right side
307,767.58x = 81,993,894,085.53 - Step 5: Solve for x
x = 81,993,894,085.53/307,767.58 - Step 6: Final answer
x = 266,414.98
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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.