Finding the Fourth Proportional to 648,117.80, 972,176.70 and 368,181.80
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Solution
The fourth proportional to 648,117.80, 972,176.70 and 368,181.80 is: 552,272.70
Step by Step Solution
- Step 1: Write the proportion equation
648,117.80 : 972,176.70 = 368,181.80 : x - Step 2: Convert to fraction form
648,117.80/972,176.70 = 368,181.80/x - Step 3: Cross multiply
648,117.80x = 972,176.70 × 368,181.80 - Step 4: Simplify right side
648,117.80x = 357,937,767,324.06 - Step 5: Solve for x
x = 357,937,767,324.06/648,117.80 - Step 6: Final answer
x = 552,272.70
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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.