Finding the Fourth Proportional to 383,119.56, 528,152.65 and 268,041.68
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Solution
The fourth proportional to 383,119.56, 528,152.65 and 268,041.68 is: 369,511.07
Step by Step Solution
- Step 1: Write the proportion equation
383,119.56 : 528,152.65 = 268,041.68 : x - Step 2: Convert to fraction form
383,119.56/528,152.65 = 268,041.68/x - Step 3: Cross multiply
383,119.56x = 528,152.65 × 268,041.68 - Step 4: Simplify right side
383,119.56x = 141,566,920,291.59 - Step 5: Solve for x
x = 141,566,920,291.59/383,119.56 - Step 6: Final answer
x = 369,511.07
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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.