Finding the Fourth Proportional to 443,428.08, 611,929.80 and 242,224.08
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Solution
The fourth proportional to 443,428.08, 611,929.80 and 242,224.08 is: 334,268.71
Step by Step Solution
- Step 1: Write the proportion equation
443,428.08 : 611,929.80 = 242,224.08 : x - Step 2: Convert to fraction form
443,428.08/611,929.80 = 242,224.08/x - Step 3: Cross multiply
443,428.08x = 611,929.80 × 242,224.08 - Step 4: Simplify right side
443,428.08x = 148,224,132,829.58 - Step 5: Solve for x
x = 148,224,132,829.58/443,428.08 - Step 6: Final answer
x = 334,268.71
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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.