Finding the Fourth Proportional to 648,011.40, 971,556.30 and 248,497.80
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Solution
The fourth proportional to 648,011.40, 971,556.30 and 248,497.80 is: 372,569.99
Step by Step Solution
- Step 1: Write the proportion equation
648,011.40 : 971,556.30 = 248,497.80 : x - Step 2: Convert to fraction form
648,011.40/971,556.30 = 248,497.80/x - Step 3: Cross multiply
648,011.40x = 971,556.30 × 248,497.80 - Step 4: Simplify right side
648,011.40x = 241,429,603,126.14 - Step 5: Solve for x
x = 241,429,603,126.14/648,011.40 - Step 6: Final answer
x = 372,569.99
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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.