Finding the Fourth Proportional to 443,435.08, 611,927.58 and 242,231.08
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Solution
The fourth proportional to 443,435.08, 611,927.58 and 242,231.08 is: 334,271.88
Step by Step Solution
- Step 1: Write the proportion equation
443,435.08 : 611,927.58 = 242,231.08 : x - Step 2: Convert to fraction form
443,435.08/611,927.58 = 242,231.08/x - Step 3: Cross multiply
443,435.08x = 611,927.58 × 242,231.08 - Step 4: Simplify right side
443,435.08x = 148,227,878,585.19 - Step 5: Solve for x
x = 148,227,878,585.19/443,435.08 - Step 6: Final answer
x = 334,271.88
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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.