Finding the Fourth Proportional to 161,403.84, 242,007.36 and 61,457.28
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Solution
The fourth proportional to 161,403.84, 242,007.36 and 61,457.28 is: 92,148.45
Step by Step Solution
- Step 1: Write the proportion equation
161,403.84 : 242,007.36 = 61,457.28 : x - Step 2: Convert to fraction form
161,403.84/242,007.36 = 61,457.28/x - Step 3: Cross multiply
161,403.84x = 242,007.36 × 61,457.28 - Step 4: Simplify right side
161,403.84x = 14,873,114,085.58 - Step 5: Solve for x
x = 14,873,114,085.58/161,403.84 - Step 6: Final answer
x = 92,148.45
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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.