Finding the Fourth Proportional to 368,243.84, 508,004.91 and 239,173.17
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Solution
The fourth proportional to 368,243.84, 508,004.91 and 239,173.17 is: 329,947.53
Step by Step Solution
- Step 1: Write the proportion equation
368,243.84 : 508,004.91 = 239,173.17 : x - Step 2: Convert to fraction form
368,243.84/508,004.91 = 239,173.17/x - Step 3: Cross multiply
368,243.84x = 508,004.91 × 239,173.17 - Step 4: Simplify right side
368,243.84x = 121,501,144,700.27 - Step 5: Solve for x
x = 121,501,144,700.27/368,243.84 - Step 6: Final answer
x = 329,947.53
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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.