Finding the Fourth Proportional to 381,973.24, 572,762.76 and 171,431.02
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Solution
The fourth proportional to 381,973.24, 572,762.76 and 171,431.02 is: 257,058.07
Step by Step Solution
- Step 1: Write the proportion equation
381,973.24 : 572,762.76 = 171,431.02 : x - Step 2: Convert to fraction form
381,973.24/572,762.76 = 171,431.02/x - Step 3: Cross multiply
381,973.24x = 572,762.76 × 171,431.02 - Step 4: Simplify right side
381,973.24x = 98,189,304,164.82 - Step 5: Solve for x
x = 98,189,304,164.82/381,973.24 - Step 6: Final answer
x = 257,058.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.