Finding the Fourth Proportional to 176,671.36, 243,823.68 and 131,881.60
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Solution
The fourth proportional to 176,671.36, 243,823.68 and 131,881.60 is: 182,009.45
Step by Step Solution
- Step 1: Write the proportion equation
176,671.36 : 243,823.68 = 131,881.60 : x - Step 2: Convert to fraction form
176,671.36/243,823.68 = 131,881.60/x - Step 3: Cross multiply
176,671.36x = 243,823.68 × 131,881.60 - Step 4: Simplify right side
176,671.36x = 32,155,857,036.29 - Step 5: Solve for x
x = 32,155,857,036.29/176,671.36 - Step 6: Final answer
x = 182,009.45
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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.