Finding the Fourth Proportional to 577,431.99, 866,106.35 and 178,031.07
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Solution
The fourth proportional to 577,431.99, 866,106.35 and 178,031.07 is: 267,033.77
Step by Step Solution
- Step 1: Write the proportion equation
577,431.99 : 866,106.35 = 178,031.07 : x - Step 2: Convert to fraction form
577,431.99/866,106.35 = 178,031.07/x - Step 3: Cross multiply
577,431.99x = 866,106.35 × 178,031.07 - Step 4: Simplify right side
577,431.99x = 154,193,839,334.14 - Step 5: Solve for x
x = 154,193,839,334.14/577,431.99 - Step 6: Final answer
x = 267,033.77
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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.