Finding the Fourth Proportional to 314,953.99, 472,454.10 and 134,863.79
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Solution
The fourth proportional to 314,953.99, 472,454.10 and 134,863.79 is: 202,305.58
Step by Step Solution
- Step 1: Write the proportion equation
314,953.99 : 472,454.10 = 134,863.79 : x - Step 2: Convert to fraction form
314,953.99/472,454.10 = 134,863.79/x - Step 3: Cross multiply
314,953.99x = 472,454.10 × 134,863.79 - Step 4: Simplify right side
314,953.99x = 63,716,948,164.77 - Step 5: Solve for x
x = 63,716,948,164.77/314,953.99 - Step 6: Final answer
x = 202,305.58
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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.