Finding the Fourth Proportional to 611,671.07, 917,506.61 and 190,982.99
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Solution
The fourth proportional to 611,671.07, 917,506.61 and 190,982.99 is: 286,474.49
Step by Step Solution
- Step 1: Write the proportion equation
611,671.07 : 917,506.61 = 190,982.99 : x - Step 2: Convert to fraction form
611,671.07/917,506.61 = 190,982.99/x - Step 3: Cross multiply
611,671.07x = 917,506.61 × 190,982.99 - Step 4: Simplify right side
611,671.07x = 175,228,155,722.56 - Step 5: Solve for x
x = 175,228,155,722.56/611,671.07 - Step 6: Final answer
x = 286,474.49
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1.5x scale
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.