Finding the Fourth Proportional to 255,031.49, 351,929.36 and 141,846.95
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Solution
The fourth proportional to 255,031.49, 351,929.36 and 141,846.95 is: 195,740.95
Step by Step Solution
- Step 1: Write the proportion equation
255,031.49 : 351,929.36 = 141,846.95 : x - Step 2: Convert to fraction form
255,031.49/351,929.36 = 141,846.95/x - Step 3: Cross multiply
255,031.49x = 351,929.36 × 141,846.95 - Step 4: Simplify right side
255,031.49x = 49,920,106,331.45 - Step 5: Solve for x
x = 49,920,106,331.45/255,031.49 - Step 6: Final answer
x = 195,740.95
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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.