Finding the Fourth Proportional to 310,230,186.10, 465,224,207.63 and 135,406,690.54
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Solution
The fourth proportional to 310,230,186.10, 465,224,207.63 and 135,406,690.54 is: 203,057,191.52
Step by Step Solution
- Step 1: Write the proportion equation
310,230,186.10 : 465,224,207.63 = 135,406,690.54 : x - Step 2: Convert to fraction form
310,230,186.10/465,224,207.63 = 135,406,690.54/x - Step 3: Cross multiply
310,230,186.10x = 465,224,207.63 × 135,406,690.54 - Step 4: Simplify right side
310,230,186.10x = 62,994,470,312,432,024 - Step 5: Solve for x
x = 62,994,470,312,432,024/310,230,186.10 - Step 6: Final answer
x = 203,057,191.52
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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.