Finding the Fourth Proportional to 216,856.02, 299,268.03 and 121,362.49
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Solution
The fourth proportional to 216,856.02, 299,268.03 and 121,362.49 is: 167,484.00
Step by Step Solution
- Step 1: Write the proportion equation
216,856.02 : 299,268.03 = 121,362.49 : x - Step 2: Convert to fraction form
216,856.02/299,268.03 = 121,362.49/x - Step 3: Cross multiply
216,856.02x = 299,268.03 × 121,362.49 - Step 4: Simplify right side
216,856.02x = 36,319,913,298.19 - Step 5: Solve for x
x = 36,319,913,298.19/216,856.02 - Step 6: Final answer
x = 167,484.00
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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.