Finding the Fourth Proportional to 346,549.63, 478,239.93 and 187,573.63
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Solution
The fourth proportional to 346,549.63, 478,239.93 and 187,573.63 is: 258,852.38
Step by Step Solution
- Step 1: Write the proportion equation
346,549.63 : 478,239.93 = 187,573.63 : x - Step 2: Convert to fraction form
346,549.63/478,239.93 = 187,573.63/x - Step 3: Cross multiply
346,549.63x = 478,239.93 × 187,573.63 - Step 4: Simplify right side
346,549.63x = 89,705,196,351.98 - Step 5: Solve for x
x = 89,705,196,351.98/346,549.63 - Step 6: Final answer
x = 258,852.38
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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.