Finding the Fourth Proportional to 159,027.94, 219,460.26 and 86,430.84
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Solution
The fourth proportional to 159,027.94, 219,460.26 and 86,430.84 is: 119,275.48
Step by Step Solution
- Step 1: Write the proportion equation
159,027.94 : 219,460.26 = 86,430.84 : x - Step 2: Convert to fraction form
159,027.94/219,460.26 = 86,430.84/x - Step 3: Cross multiply
159,027.94x = 219,460.26 × 86,430.84 - Step 4: Simplify right side
159,027.94x = 18,968,133,521.12 - Step 5: Solve for x
x = 18,968,133,521.12/159,027.94 - Step 6: Final answer
x = 119,275.48
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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.