Finding the Fourth Proportional to 368,521.99, 508,554.39 and 207,376.95
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Solution
The fourth proportional to 368,521.99, 508,554.39 and 207,376.95 is: 286,176.84
Step by Step Solution
- Step 1: Write the proportion equation
368,521.99 : 508,554.39 = 207,376.95 : x - Step 2: Convert to fraction form
368,521.99/508,554.39 = 207,376.95/x - Step 3: Cross multiply
368,521.99x = 508,554.39 × 207,376.95 - Step 4: Simplify right side
368,521.99x = 105,462,458,307.31 - Step 5: Solve for x
x = 105,462,458,307.31/368,521.99 - Step 6: Final answer
x = 286,176.84
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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.