Finding the Fourth Proportional to 395,751.36, 545,946.72 and 259,730.88
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Solution
The fourth proportional to 395,751.36, 545,946.72 and 259,730.88 is: 358,303.81
Step by Step Solution
- Step 1: Write the proportion equation
395,751.36 : 545,946.72 = 259,730.88 : x - Step 2: Convert to fraction form
395,751.36/545,946.72 = 259,730.88/x - Step 3: Cross multiply
395,751.36x = 545,946.72 × 259,730.88 - Step 4: Simplify right side
395,751.36x = 141,799,222,018.71 - Step 5: Solve for x
x = 141,799,222,018.71/395,751.36 - Step 6: Final answer
x = 358,303.81
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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.