Finding the Fourth Proportional to 249,058.11, 343,788.94 and 147,083.99
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Solution
The fourth proportional to 249,058.11, 343,788.94 and 147,083.99 is: 203,028.32
Step by Step Solution
- Step 1: Write the proportion equation
249,058.11 : 343,788.94 = 147,083.99 : x - Step 2: Convert to fraction form
249,058.11/343,788.94 = 147,083.99/x - Step 3: Cross multiply
249,058.11x = 343,788.94 × 147,083.99 - Step 4: Simplify right side
249,058.11x = 50,565,849,013.07 - Step 5: Solve for x
x = 50,565,849,013.07/249,058.11 - Step 6: Final answer
x = 203,028.32
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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.