Finding the Fourth Proportional to 368,708.54, 508,866.28 and 207,594.98
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Solution
The fourth proportional to 368,708.54, 508,866.28 and 207,594.98 is: 286,508.38
Step by Step Solution
- Step 1: Write the proportion equation
368,708.54 : 508,866.28 = 207,594.98 : x - Step 2: Convert to fraction form
368,708.54/508,866.28 = 207,594.98/x - Step 3: Cross multiply
368,708.54x = 508,866.28 × 207,594.98 - Step 4: Simplify right side
368,708.54x = 105,638,085,972.45 - Step 5: Solve for x
x = 105,638,085,972.45/368,708.54 - Step 6: Final answer
x = 286,508.38
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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.