Finding the Fourth Proportional to 618,854.84, 928,283.07 and 169,579.70
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Solution
The fourth proportional to 618,854.84, 928,283.07 and 169,579.70 is: 254,369.77
Step by Step Solution
- Step 1: Write the proportion equation
618,854.84 : 928,283.07 = 169,579.70 : x - Step 2: Convert to fraction form
618,854.84/928,283.07 = 169,579.70/x - Step 3: Cross multiply
618,854.84x = 928,283.07 × 169,579.70 - Step 4: Simplify right side
618,854.84x = 157,417,964,525.68 - Step 5: Solve for x
x = 157,417,964,525.68/618,854.84 - Step 6: Final answer
x = 254,369.77
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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.