Finding the Fourth Proportional to 515,139.93, 772,792.79 and 248,920.02
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Solution
The fourth proportional to 515,139.93, 772,792.79 and 248,920.02 is: 373,420.08
Step by Step Solution
- Step 1: Write the proportion equation
515,139.93 : 772,792.79 = 248,920.02 : x - Step 2: Convert to fraction form
515,139.93/772,792.79 = 248,920.02/x - Step 3: Cross multiply
515,139.93x = 772,792.79 × 248,920.02 - Step 4: Simplify right side
515,139.93x = 192,363,595,498.06 - Step 5: Solve for x
x = 192,363,595,498.06/515,139.93 - Step 6: Final answer
x = 373,420.08
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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.