Finding the Fourth Proportional to 242,519,675.10, 363,779,512.65 and 215,735,048.70
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Solution
The fourth proportional to 242,519,675.10, 363,779,512.65 and 215,735,048.70 is: 323,602,573.05
Step by Step Solution
- Step 1: Write the proportion equation
242,519,675.10 : 363,779,512.65 = 215,735,048.70 : x - Step 2: Convert to fraction form
242,519,675.10/363,779,512.65 = 215,735,048.70/x - Step 3: Cross multiply
242,519,675.10x = 363,779,512.65 × 215,735,048.70 - Step 4: Simplify right side
242,519,675.10x = 78,479,990,877,610,000 - Step 5: Solve for x
x = 78,479,990,877,610,000/242,519,675.10 - Step 6: Final answer
x = 323,602,573.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.