Finding the Fourth Proportional to 286,985.16, 430,386.30 and 104,593.23
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Solution
The fourth proportional to 286,985.16, 430,386.30 and 104,593.23 is: 156,856.52
Step by Step Solution
- Step 1: Write the proportion equation
286,985.16 : 430,386.30 = 104,593.23 : x - Step 2: Convert to fraction form
286,985.16/430,386.30 = 104,593.23/x - Step 3: Cross multiply
286,985.16x = 430,386.30 × 104,593.23 - Step 4: Simplify right side
286,985.16x = 45,015,493,264.75 - Step 5: Solve for x
x = 45,015,493,264.75/286,985.16 - Step 6: Final answer
x = 156,856.52
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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.