Finding the Fourth Proportional to 260,075.36, 358,899.72 and 145,356.68
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Solution
The fourth proportional to 260,075.36, 358,899.72 and 145,356.68 is: 200,589.83
Step by Step Solution
- Step 1: Write the proportion equation
260,075.36 : 358,899.72 = 145,356.68 : x - Step 2: Convert to fraction form
260,075.36/358,899.72 = 145,356.68/x - Step 3: Cross multiply
260,075.36x = 358,899.72 × 145,356.68 - Step 4: Simplify right side
260,075.36x = 52,168,471,752.13 - Step 5: Solve for x
x = 52,168,471,752.13/260,075.36 - Step 6: Final answer
x = 200,589.83
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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.