Finding the Fourth Proportional to 346,318.68, 519,529.95 and 121,639.50
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Solution
The fourth proportional to 346,318.68, 519,529.95 and 121,639.50 is: 182,477.49
Step by Step Solution
- Step 1: Write the proportion equation
346,318.68 : 519,529.95 = 121,639.50 : x - Step 2: Convert to fraction form
346,318.68/519,529.95 = 121,639.50/x - Step 3: Cross multiply
346,318.68x = 519,529.95 × 121,639.50 - Step 4: Simplify right side
346,318.68x = 63,195,363,353.03 - Step 5: Solve for x
x = 63,195,363,353.03/346,318.68 - Step 6: Final answer
x = 182,477.49
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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.