Finding the Fourth Proportional to 147,335.48, 203,324.36 and 83,673.74
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Solution
The fourth proportional to 147,335.48, 203,324.36 and 83,673.74 is: 115,470.55
Step by Step Solution
- Step 1: Write the proportion equation
147,335.48 : 203,324.36 = 83,673.74 : x - Step 2: Convert to fraction form
147,335.48/203,324.36 = 83,673.74/x - Step 3: Cross multiply
147,335.48x = 203,324.36 × 83,673.74 - Step 4: Simplify right side
147,335.48x = 17,012,908,199.32 - Step 5: Solve for x
x = 17,012,908,199.32/147,335.48 - Step 6: Final answer
x = 115,470.55
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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.