Finding the Fourth Proportional to 665,327.16, 918,151.73 and 359,403.52
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Solution
The fourth proportional to 665,327.16, 918,151.73 and 359,403.52 is: 495,976.99
Step by Step Solution
- Step 1: Write the proportion equation
665,327.16 : 918,151.73 = 359,403.52 : x - Step 2: Convert to fraction form
665,327.16/918,151.73 = 359,403.52/x - Step 3: Cross multiply
665,327.16x = 918,151.73 × 359,403.52 - Step 4: Simplify right side
665,327.16x = 329,986,963,656.09 - Step 5: Solve for x
x = 329,986,963,656.09/665,327.16 - Step 6: Final answer
x = 495,976.99
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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.