Finding the Fourth Proportional to 315,757.24, 473,973.02 and 135,931.67
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Solution
The fourth proportional to 315,757.24, 473,973.02 and 135,931.67 is: 204,042.65
Step by Step Solution
- Step 1: Write the proportion equation
315,757.24 : 473,973.02 = 135,931.67 : x - Step 2: Convert to fraction form
315,757.24/473,973.02 = 135,931.67/x - Step 3: Cross multiply
315,757.24x = 473,973.02 × 135,931.67 - Step 4: Simplify right side
315,757.24x = 64,427,944,143.54 - Step 5: Solve for x
x = 64,427,944,143.54/315,757.24 - Step 6: Final answer
x = 204,042.65
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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.