Finding the Fourth Proportional to 368,828.99, 508,981.75 and 207,735.96
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Solution
The fourth proportional to 368,828.99, 508,981.75 and 207,735.96 is: 286,674.35
Step by Step Solution
- Step 1: Write the proportion equation
368,828.99 : 508,981.75 = 207,735.96 : x - Step 2: Convert to fraction form
368,828.99/508,981.75 = 207,735.96/x - Step 3: Cross multiply
368,828.99x = 508,981.75 × 207,735.96 - Step 4: Simplify right side
368,828.99x = 105,733,812,458.73 - Step 5: Solve for x
x = 105,733,812,458.73/368,828.99 - Step 6: Final answer
x = 286,674.35
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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.