Finding the Fourth Proportional to 315,741.21, 473,292.69 and 135,943.92
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Solution
The fourth proportional to 315,741.21, 473,292.69 and 135,943.92 is: 203,778.48
Step by Step Solution
- Step 1: Write the proportion equation
315,741.21 : 473,292.69 = 135,943.92 : x - Step 2: Convert to fraction form
315,741.21/473,292.69 = 135,943.92/x - Step 3: Cross multiply
315,741.21x = 473,292.69 × 135,943.92 - Step 4: Simplify right side
315,741.21x = 64,341,264,223.18 - Step 5: Solve for x
x = 64,341,264,223.18/315,741.21 - Step 6: Final answer
x = 203,778.48
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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.