Finding the Fourth Proportional to 147,403.23, 203,417.13 and 83,744.52
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Solution
The fourth proportional to 147,403.23, 203,417.13 and 83,744.52 is: 115,567.82
Step by Step Solution
- Step 1: Write the proportion equation
147,403.23 : 203,417.13 = 83,744.52 : x - Step 2: Convert to fraction form
147,403.23/203,417.13 = 83,744.52/x - Step 3: Cross multiply
147,403.23x = 203,417.13 × 83,744.52 - Step 4: Simplify right side
147,403.23x = 17,035,069,911.63 - Step 5: Solve for x
x = 17,035,069,911.63/147,403.23 - Step 6: Final answer
x = 115,567.82
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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.