Finding the Fourth Proportional to 545,482.64, 752,378.28 and 364,103.12
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Solution
The fourth proportional to 545,482.64, 752,378.28 and 364,103.12 is: 502,203.48
Step by Step Solution
- Step 1: Write the proportion equation
545,482.64 : 752,378.28 = 364,103.12 : x - Step 2: Convert to fraction form
545,482.64/752,378.28 = 364,103.12/x - Step 3: Cross multiply
545,482.64x = 752,378.28 × 364,103.12 - Step 4: Simplify right side
545,482.64x = 273,943,279,168.23 - Step 5: Solve for x
x = 273,943,279,168.23/545,482.64 - Step 6: Final answer
x = 502,203.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.