Finding the Fourth Proportional to 372,446.14, 513,973.73 and 202,681.48
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Solution
The fourth proportional to 372,446.14, 513,973.73 and 202,681.48 is: 279,699.38
Step by Step Solution
- Step 1: Write the proportion equation
372,446.14 : 513,973.73 = 202,681.48 : x - Step 2: Convert to fraction form
372,446.14/513,973.73 = 202,681.48/x - Step 3: Cross multiply
372,446.14x = 513,973.73 × 202,681.48 - Step 4: Simplify right side
372,446.14x = 104,172,956,277.52 - Step 5: Solve for x
x = 104,172,956,277.52/372,446.14 - Step 6: Final answer
x = 279,699.38
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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.