Finding the Fourth Proportional to 226,258.01, 312,342.18 and 130,746.05
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Solution
The fourth proportional to 226,258.01, 312,342.18 and 130,746.05 is: 180,490.88
Step by Step Solution
- Step 1: Write the proportion equation
226,258.01 : 312,342.18 = 130,746.05 : x - Step 2: Convert to fraction form
226,258.01/312,342.18 = 130,746.05/x - Step 3: Cross multiply
226,258.01x = 312,342.18 × 130,746.05 - Step 4: Simplify right side
226,258.01x = 40,837,506,283.39 - Step 5: Solve for x
x = 40,837,506,283.39/226,258.01 - Step 6: Final answer
x = 180,490.88
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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.