Finding the Fourth Proportional to 374,875.73, 517,315.64 and 213,782.63
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Solution
The fourth proportional to 374,875.73, 517,315.64 and 213,782.63 is: 295,012.68
Step by Step Solution
- Step 1: Write the proportion equation
374,875.73 : 517,315.64 = 213,782.63 : x - Step 2: Convert to fraction form
374,875.73/517,315.64 = 213,782.63/x - Step 3: Cross multiply
374,875.73x = 517,315.64 × 213,782.63 - Step 4: Simplify right side
374,875.73x = 110,593,095,472.76 - Step 5: Solve for x
x = 110,593,095,472.76/374,875.73 - Step 6: Final answer
x = 295,012.68
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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.