Finding the Fourth Proportional to 265,557.84, 398,454.50 and 139,168.04
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Solution
The fourth proportional to 265,557.84, 398,454.50 and 139,168.04 is: 208,813.75
Step by Step Solution
- Step 1: Write the proportion equation
265,557.84 : 398,454.50 = 139,168.04 : x - Step 2: Convert to fraction form
265,557.84/398,454.50 = 139,168.04/x - Step 3: Cross multiply
265,557.84x = 398,454.50 × 139,168.04 - Step 4: Simplify right side
265,557.84x = 55,452,129,106.07 - Step 5: Solve for x
x = 55,452,129,106.07/265,557.84 - Step 6: Final answer
x = 208,813.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.