Finding the Fourth Proportional to 368,533.96, 508,570.98 and 207,388.96
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Solution
The fourth proportional to 368,533.96, 508,570.98 and 207,388.96 is: 286,193.45
Step by Step Solution
- Step 1: Write the proportion equation
368,533.96 : 508,570.98 = 207,388.96 : x - Step 2: Convert to fraction form
368,533.96/508,570.98 = 207,388.96/x - Step 3: Cross multiply
368,533.96x = 508,570.98 × 207,388.96 - Step 4: Simplify right side
368,533.96x = 105,472,006,628.38 - Step 5: Solve for x
x = 105,472,006,628.38/368,533.96 - Step 6: Final answer
x = 286,193.45
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1.5x scale
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.