Finding the Fourth Proportional to 368,386.92, 508,335.53 and 207,228.26
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Solution
The fourth proportional to 368,386.92, 508,335.53 and 207,228.26 is: 285,953.39
Step by Step Solution
- Step 1: Write the proportion equation
368,386.92 : 508,335.53 = 207,228.26 : x - Step 2: Convert to fraction form
368,386.92/508,335.53 = 207,228.26/x - Step 3: Cross multiply
368,386.92x = 508,335.53 × 207,228.26 - Step 4: Simplify right side
368,386.92x = 105,341,487,612.78 - Step 5: Solve for x
x = 105,341,487,612.78/368,386.92 - Step 6: Final answer
x = 285,953.39
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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.