Finding the Fourth Proportional to 243,000.93, 335,341.50 and 135,570.99
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Solution
The fourth proportional to 243,000.93, 335,341.50 and 135,570.99 is: 187,088.08
Step by Step Solution
- Step 1: Write the proportion equation
243,000.93 : 335,341.50 = 135,570.99 : x - Step 2: Convert to fraction form
243,000.93/335,341.50 = 135,570.99/x - Step 3: Cross multiply
243,000.93x = 335,341.50 × 135,570.99 - Step 4: Simplify right side
243,000.93x = 45,462,577,377.16 - Step 5: Solve for x
x = 45,462,577,377.16/243,000.93 - Step 6: Final answer
x = 187,088.08
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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.