Finding the Fourth Proportional to 427,326.16, 589,707.12 and 236,332.48
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Solution
The fourth proportional to 427,326.16, 589,707.12 and 236,332.48 is: 326,137.17
Step by Step Solution
- Step 1: Write the proportion equation
427,326.16 : 589,707.12 = 236,332.48 : x - Step 2: Convert to fraction form
427,326.16/589,707.12 = 236,332.48/x - Step 3: Cross multiply
427,326.16x = 589,707.12 × 236,332.48 - Step 4: Simplify right side
427,326.16x = 139,366,946,143.26 - Step 5: Solve for x
x = 139,366,946,143.26/427,326.16 - Step 6: Final answer
x = 326,137.17
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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.