Finding the Fourth Proportional to 302,415.84, 417,160.02 and 189,041.76
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Solution
The fourth proportional to 302,415.84, 417,160.02 and 189,041.76 is: 260,768.96
Step by Step Solution
- Step 1: Write the proportion equation
302,415.84 : 417,160.02 = 189,041.76 : x - Step 2: Convert to fraction form
302,415.84/417,160.02 = 189,041.76/x - Step 3: Cross multiply
302,415.84x = 417,160.02 × 189,041.76 - Step 4: Simplify right side
302,415.84x = 78,860,664,382.44 - Step 5: Solve for x
x = 78,860,664,382.44/302,415.84 - Step 6: Final answer
x = 260,768.96
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1.5x scale
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.