Finding the Fourth Proportional to 235,478.95, 324,865.08 and 133,482.80
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Solution
The fourth proportional to 235,478.95, 324,865.08 and 133,482.80 is: 184,151.92
Step by Step Solution
- Step 1: Write the proportion equation
235,478.95 : 324,865.08 = 133,482.80 : x - Step 2: Convert to fraction form
235,478.95/324,865.08 = 133,482.80/x - Step 3: Cross multiply
235,478.95x = 324,865.08 × 133,482.80 - Step 4: Simplify right side
235,478.95x = 43,363,901,312.79 - Step 5: Solve for x
x = 43,363,901,312.79/235,478.95 - Step 6: Final answer
x = 184,151.92
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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.