Finding the Fourth Proportional to 439,114.68, 605,980.44 and 237,910.68
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Solution
The fourth proportional to 439,114.68, 605,980.44 and 237,910.68 is: 328,317.92
Step by Step Solution
- Step 1: Write the proportion equation
439,114.68 : 605,980.44 = 237,910.68 : x - Step 2: Convert to fraction form
439,114.68/605,980.44 = 237,910.68/x - Step 3: Cross multiply
439,114.68x = 605,980.44 × 237,910.68 - Step 4: Simplify right side
439,114.68x = 144,169,218,547.10 - Step 5: Solve for x
x = 144,169,218,547.10/439,114.68 - Step 6: Final answer
x = 328,317.92
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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.