Finding the Fourth Proportional to 286,341.64, 395,156.24 and 157,292.08
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Solution
The fourth proportional to 286,341.64, 395,156.24 and 157,292.08 is: 217,065.69
Step by Step Solution
- Step 1: Write the proportion equation
286,341.64 : 395,156.24 = 157,292.08 : x - Step 2: Convert to fraction form
286,341.64/395,156.24 = 157,292.08/x - Step 3: Cross multiply
286,341.64x = 395,156.24 × 157,292.08 - Step 4: Simplify right side
286,341.64x = 62,154,946,914.58 - Step 5: Solve for x
x = 62,154,946,914.58/286,341.64 - Step 6: Final answer
x = 217,065.69
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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.