Finding the Fourth Proportional to 369,314.24, 509,646.53 and 208,166.18
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Solution
The fourth proportional to 369,314.24, 509,646.53 and 208,166.18 is: 287,265.31
Step by Step Solution
- Step 1: Write the proportion equation
369,314.24 : 509,646.53 = 208,166.18 : x - Step 2: Convert to fraction form
369,314.24/509,646.53 = 208,166.18/x - Step 3: Cross multiply
369,314.24x = 509,646.53 × 208,166.18 - Step 4: Simplify right side
369,314.24x = 106,091,170,259.53 - Step 5: Solve for x
x = 106,091,170,259.53/369,314.24 - Step 6: Final answer
x = 287,265.31
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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.