Finding the Fourth Proportional to 465,646.47, 642,767.68 and 272,117.02
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Solution
The fourth proportional to 465,646.47, 642,767.68 and 272,117.02 is: 375,624.07
Step by Step Solution
- Step 1: Write the proportion equation
465,646.47 : 642,767.68 = 272,117.02 : x - Step 2: Convert to fraction form
465,646.47/642,767.68 = 272,117.02/x - Step 3: Cross multiply
465,646.47x = 642,767.68 × 272,117.02 - Step 4: Simplify right side
465,646.47x = 174,908,022,420.08 - Step 5: Solve for x
x = 174,908,022,420.08/465,646.47 - Step 6: Final answer
x = 375,624.07
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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.