Finding the Fourth Proportional to 649,705.28, 974,696.99 and 194,332.23
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Solution
The fourth proportional to 649,705.28, 974,696.99 and 194,332.23 is: 291,539.94
Step by Step Solution
- Step 1: Write the proportion equation
649,705.28 : 974,696.99 = 194,332.23 : x - Step 2: Convert to fraction form
649,705.28/974,696.99 = 194,332.23/x - Step 3: Cross multiply
649,705.28x = 974,696.99 × 194,332.23 - Step 4: Simplify right side
649,705.28x = 189,415,038,669.33 - Step 5: Solve for x
x = 189,415,038,669.33/649,705.28 - Step 6: Final answer
x = 291,539.94
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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.