Finding the Fourth Proportional to 346,839.93, 478,700.01 and 201,690.63
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Solution
The fourth proportional to 346,839.93, 478,700.01 and 201,690.63 is: 278,368.49
Step by Step Solution
- Step 1: Write the proportion equation
346,839.93 : 478,700.01 = 201,690.63 : x - Step 2: Convert to fraction form
346,839.93/478,700.01 = 201,690.63/x - Step 3: Cross multiply
346,839.93x = 478,700.01 × 201,690.63 - Step 4: Simplify right side
346,839.93x = 96,549,306,597.91 - Step 5: Solve for x
x = 96,549,306,597.91/346,839.93 - Step 6: Final answer
x = 278,368.49
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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.