Finding the Fourth Proportional to 315,011.13, 472,516.70 and 93,395.13
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Solution
The fourth proportional to 315,011.13, 472,516.70 and 93,395.13 is: 140,092.70
Step by Step Solution
- Step 1: Write the proportion equation
315,011.13 : 472,516.70 = 93,395.13 : x - Step 2: Convert to fraction form
315,011.13/472,516.70 = 93,395.13/x - Step 3: Cross multiply
315,011.13x = 472,516.70 × 93,395.13 - Step 4: Simplify right side
315,011.13x = 44,130,758,623.67 - Step 5: Solve for x
x = 44,130,758,623.67/315,011.13 - Step 6: Final answer
x = 140,092.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.