Finding the Fourth Proportional to 562,139.60, 842,917.80 and 206,970.80
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Solution
The fourth proportional to 562,139.60, 842,917.80 and 206,970.80 is: 310,348.84
Step by Step Solution
- Step 1: Write the proportion equation
562,139.60 : 842,917.80 = 206,970.80 : x - Step 2: Convert to fraction form
562,139.60/842,917.80 = 206,970.80/x - Step 3: Cross multiply
562,139.60x = 842,917.80 × 206,970.80 - Step 4: Simplify right side
562,139.60x = 174,459,371,400.24 - Step 5: Solve for x
x = 174,459,371,400.24/562,139.60 - Step 6: Final answer
x = 310,348.84
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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.