Finding the Fourth Proportional to 357,268.53, 493,017.80 and 202,216.49
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Solution
The fourth proportional to 357,268.53, 493,017.80 and 202,216.49 is: 279,051.53
Step by Step Solution
- Step 1: Write the proportion equation
357,268.53 : 493,017.80 = 202,216.49 : x - Step 2: Convert to fraction form
357,268.53/493,017.80 = 202,216.49/x - Step 3: Cross multiply
357,268.53x = 493,017.80 × 202,216.49 - Step 4: Simplify right side
357,268.53x = 99,696,329,023.52 - Step 5: Solve for x
x = 99,696,329,023.52/357,268.53 - Step 6: Final answer
x = 279,051.53
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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.