Finding the Fourth Proportional to 443,429.08, 611,931.18 and 242,225.08
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Solution
The fourth proportional to 443,429.08, 611,931.18 and 242,225.08 is: 334,270.09
Step by Step Solution
- Step 1: Write the proportion equation
443,429.08 : 611,931.18 = 242,225.08 : x - Step 2: Convert to fraction form
443,429.08/611,931.18 = 242,225.08/x - Step 3: Cross multiply
443,429.08x = 611,931.18 × 242,225.08 - Step 4: Simplify right side
443,429.08x = 148,225,079,029.99 - Step 5: Solve for x
x = 148,225,079,029.99/443,429.08 - Step 6: Final answer
x = 334,270.09
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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.