Finding the Fourth Proportional to 310,641.95, 465,893.19 and 121,037.24
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Solution
The fourth proportional to 310,641.95, 465,893.19 and 121,037.24 is: 181,528.69
Step by Step Solution
- Step 1: Write the proportion equation
310,641.95 : 465,893.19 = 121,037.24 : x - Step 2: Convert to fraction form
310,641.95/465,893.19 = 121,037.24/x - Step 3: Cross multiply
310,641.95x = 465,893.19 × 121,037.24 - Step 4: Simplify right side
310,641.95x = 56,390,427,017.13 - Step 5: Solve for x
x = 56,390,427,017.13/310,641.95 - Step 6: Final answer
x = 181,528.69
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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.