Finding the Fourth Proportional to 352,312.98, 486,159.81 and 209,048.34
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Solution
The fourth proportional to 352,312.98, 486,159.81 and 209,048.34 is: 288,467.66
Step by Step Solution
- Step 1: Write the proportion equation
352,312.98 : 486,159.81 = 209,048.34 : x - Step 2: Convert to fraction form
352,312.98/486,159.81 = 209,048.34/x - Step 3: Cross multiply
352,312.98x = 486,159.81 × 209,048.34 - Step 4: Simplify right side
352,312.98x = 101,630,901,255.22 - Step 5: Solve for x
x = 101,630,901,255.22/352,312.98 - Step 6: Final answer
x = 288,467.66
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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.