Finding the Fourth Proportional to 446,271.12, 615,855.15 and 242,322.03
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Solution
The fourth proportional to 446,271.12, 615,855.15 and 242,322.03 is: 334,404.95
Step by Step Solution
- Step 1: Write the proportion equation
446,271.12 : 615,855.15 = 242,322.03 : x - Step 2: Convert to fraction form
446,271.12/615,855.15 = 242,322.03/x - Step 3: Cross multiply
446,271.12x = 615,855.15 × 242,322.03 - Step 4: Simplify right side
446,271.12x = 149,235,270,133.96 - Step 5: Solve for x
x = 149,235,270,133.96/446,271.12 - Step 6: Final answer
x = 334,404.95
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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.