Finding the Fourth Proportional to 636,681.67, 878,602.37 and 350,201.75
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Solution
The fourth proportional to 636,681.67, 878,602.37 and 350,201.75 is: 483,268.32
Step by Step Solution
- Step 1: Write the proportion equation
636,681.67 : 878,602.37 = 350,201.75 : x - Step 2: Convert to fraction form
636,681.67/878,602.37 = 350,201.75/x - Step 3: Cross multiply
636,681.67x = 878,602.37 × 350,201.75 - Step 4: Simplify right side
636,681.67x = 307,688,081,384.13 - Step 5: Solve for x
x = 307,688,081,384.13/636,681.67 - Step 6: Final answer
x = 483,268.32
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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.