Finding the Fourth Proportional to 228,432.99, 314,533.42 and 202,894.98
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Solution
The fourth proportional to 228,432.99, 314,533.42 and 202,894.98 is: 279,369.68
Step by Step Solution
- Step 1: Write the proportion equation
228,432.99 : 314,533.42 = 202,894.98 : x - Step 2: Convert to fraction form
228,432.99/314,533.42 = 202,894.98/x - Step 3: Cross multiply
228,432.99x = 314,533.42 × 202,894.98 - Step 4: Simplify right side
228,432.99x = 63,817,250,945.76 - Step 5: Solve for x
x = 63,817,250,945.76/228,432.99 - Step 6: Final answer
x = 279,369.68
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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.