Finding the Fourth Proportional to 133,688.66, 184,490.58 and 73,249.70
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Solution
The fourth proportional to 133,688.66, 184,490.58 and 73,249.70 is: 101,084.71
Step by Step Solution
- Step 1: Write the proportion equation
133,688.66 : 184,490.58 = 73,249.70 : x - Step 2: Convert to fraction form
133,688.66/184,490.58 = 73,249.70/x - Step 3: Cross multiply
133,688.66x = 184,490.58 × 73,249.70 - Step 4: Simplify right side
133,688.66x = 13,513,879,637.83 - Step 5: Solve for x
x = 13,513,879,637.83/133,688.66 - Step 6: Final answer
x = 101,084.71
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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.