Finding the Fourth Proportional to 439,593.84, 606,639.84 and 238,389.84
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Solution
The fourth proportional to 439,593.84, 606,639.84 and 238,389.84 is: 328,978.16
Step by Step Solution
- Step 1: Write the proportion equation
439,593.84 : 606,639.84 = 238,389.84 : x - Step 2: Convert to fraction form
439,593.84/606,639.84 = 238,389.84/x - Step 3: Cross multiply
439,593.84x = 606,639.84 × 238,389.84 - Step 4: Simplify right side
439,593.84x = 144,616,774,395.23 - Step 5: Solve for x
x = 144,616,774,395.23/439,593.84 - Step 6: Final answer
x = 328,978.16
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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.