Finding the Fourth Proportional to 368,924.80, 553,387.20 and 306,716.80
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Solution
The fourth proportional to 368,924.80, 553,387.20 and 306,716.80 is: 460,075.20
Step by Step Solution
- Step 1: Write the proportion equation
368,924.80 : 553,387.20 = 306,716.80 : x - Step 2: Convert to fraction form
368,924.80/553,387.20 = 306,716.80/x - Step 3: Cross multiply
368,924.80x = 553,387.20 × 306,716.80 - Step 4: Simplify right side
368,924.80x = 169,733,151,144.96 - Step 5: Solve for x
x = 169,733,151,144.96/368,924.80 - Step 6: Final answer
x = 460,075.20
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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.