Finding the Fourth Proportional to 346,039.05, 518,741.45 and 121,276.96
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Solution
The fourth proportional to 346,039.05, 518,741.45 and 121,276.96 is: 181,804.30
Step by Step Solution
- Step 1: Write the proportion equation
346,039.05 : 518,741.45 = 121,276.96 : x - Step 2: Convert to fraction form
346,039.05/518,741.45 = 121,276.96/x - Step 3: Cross multiply
346,039.05x = 518,741.45 × 121,276.96 - Step 4: Simplify right side
346,039.05x = 62,911,386,385.18 - Step 5: Solve for x
x = 62,911,386,385.18/346,039.05 - Step 6: Final answer
x = 181,804.30
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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.