Finding the Fourth Proportional to 439,607.84, 606,659.16 and 238,403.84
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Solution
The fourth proportional to 439,607.84, 606,659.16 and 238,403.84 is: 328,997.48
Step by Step Solution
- Step 1: Write the proportion equation
439,607.84 : 606,659.16 = 238,403.84 : x - Step 2: Convert to fraction form
439,607.84/606,659.16 = 238,403.84/x - Step 3: Cross multiply
439,607.84x = 606,659.16 × 238,403.84 - Step 4: Simplify right side
439,607.84x = 144,629,873,315.17 - Step 5: Solve for x
x = 144,629,873,315.17/439,607.84 - Step 6: Final answer
x = 328,997.48
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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.