Finding the Fourth Proportional to 153,487.44, 230,264.10 and 86,959.44
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Solution
The fourth proportional to 153,487.44, 230,264.10 and 86,959.44 is: 130,457.82
Step by Step Solution
- Step 1: Write the proportion equation
153,487.44 : 230,264.10 = 86,959.44 : x - Step 2: Convert to fraction form
153,487.44/230,264.10 = 86,959.44/x - Step 3: Cross multiply
153,487.44x = 230,264.10 × 86,959.44 - Step 4: Simplify right side
153,487.44x = 20,023,637,188.10 - Step 5: Solve for x
x = 20,023,637,188.10/153,487.44 - Step 6: Final answer
x = 130,457.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.