Finding the Fourth Proportional to 318,271.60, 439,206.04 and 175,031.63
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Solution
The fourth proportional to 318,271.60, 439,206.04 and 175,031.63 is: 241,538.82
Step by Step Solution
- Step 1: Write the proportion equation
318,271.60 : 439,206.04 = 175,031.63 : x - Step 2: Convert to fraction form
318,271.60/439,206.04 = 175,031.63/x - Step 3: Cross multiply
318,271.60x = 439,206.04 × 175,031.63 - Step 4: Simplify right side
318,271.60x = 76,874,946,453.44 - Step 5: Solve for x
x = 76,874,946,453.44/318,271.60 - Step 6: Final answer
x = 241,538.82
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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.