Finding the Fourth Proportional to 368,876.03, 509,058.41 and 207,736.65
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Solution
The fourth proportional to 368,876.03, 509,058.41 and 207,736.65 is: 286,681.92
Step by Step Solution
- Step 1: Write the proportion equation
368,876.03 : 509,058.41 = 207,736.65 : x - Step 2: Convert to fraction form
368,876.03/509,058.41 = 207,736.65/x - Step 3: Cross multiply
368,876.03x = 509,058.41 × 207,736.65 - Step 4: Simplify right side
368,876.03x = 105,750,087,709.04 - Step 5: Solve for x
x = 105,750,087,709.04/368,876.03 - Step 6: Final answer
x = 286,681.92
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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.