Finding the Fourth Proportional to 715,398.08, 1,072,430.08 and 241,752.20
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Solution
The fourth proportional to 715,398.08, 1,072,430.08 and 241,752.20 is: 362,402.88
Step by Step Solution
- Step 1: Write the proportion equation
715,398.08 : 1,072,430.08 = 241,752.20 : x - Step 2: Convert to fraction form
715,398.08/1,072,430.08 = 241,752.20/x - Step 3: Cross multiply
715,398.08x = 1,072,430.08 × 241,752.20 - Step 4: Simplify right side
715,398.08x = 259,262,325,219.65 - Step 5: Solve for x
x = 259,262,325,219.65/715,398.08 - Step 6: Final answer
x = 362,402.88
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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.