Finding the Fourth Proportional to 485,348.88, 669,781.98 and 270,484.08
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Solution
The fourth proportional to 485,348.88, 669,781.98 and 270,484.08 is: 373,268.32
Step by Step Solution
- Step 1: Write the proportion equation
485,348.88 : 669,781.98 = 270,484.08 : x - Step 2: Convert to fraction form
485,348.88/669,781.98 = 270,484.08/x - Step 3: Cross multiply
485,348.88x = 669,781.98 × 270,484.08 - Step 4: Simplify right side
485,348.88x = 181,165,362,660.88 - Step 5: Solve for x
x = 181,165,362,660.88/485,348.88 - Step 6: Final answer
x = 373,268.32
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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.