Finding the Fourth Proportional to 159,430.08, 218,420.16 and 153,451.20
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Solution
The fourth proportional to 159,430.08, 218,420.16 and 153,451.20 is: 210,229.06
Step by Step Solution
- Step 1: Write the proportion equation
159,430.08 : 218,420.16 = 153,451.20 : x - Step 2: Convert to fraction form
159,430.08/218,420.16 = 153,451.20/x - Step 3: Cross multiply
159,430.08x = 218,420.16 × 153,451.20 - Step 4: Simplify right side
159,430.08x = 33,516,835,656.19 - Step 5: Solve for x
x = 33,516,835,656.19/159,430.08 - Step 6: Final answer
x = 210,229.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.