Finding the Fourth Proportional to 168,506.79, 232,432.58 and 128,132.03
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Solution
The fourth proportional to 168,506.79, 232,432.58 and 128,132.03 is: 176,741.00
Step by Step Solution
- Step 1: Write the proportion equation
168,506.79 : 232,432.58 = 128,132.03 : x - Step 2: Convert to fraction form
168,506.79/232,432.58 = 128,132.03/x - Step 3: Cross multiply
168,506.79x = 232,432.58 × 128,132.03 - Step 4: Simplify right side
168,506.79x = 29,782,058,253.96 - Step 5: Solve for x
x = 29,782,058,253.96/168,506.79 - Step 6: Final answer
x = 176,741.00
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1.5x scale
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.