Finding the Fourth Proportional to 562,726.21, 776,564.45 and 308,101.09
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Solution
The fourth proportional to 562,726.21, 776,564.45 and 308,101.09 is: 425,180.75
Step by Step Solution
- Step 1: Write the proportion equation
562,726.21 : 776,564.45 = 308,101.09 : x - Step 2: Convert to fraction form
562,726.21/776,564.45 = 308,101.09/x - Step 3: Cross multiply
562,726.21x = 776,564.45 × 308,101.09 - Step 4: Simplify right side
562,726.21x = 239,260,351,959.75 - Step 5: Solve for x
x = 239,260,351,959.75/562,726.21 - Step 6: Final answer
x = 425,180.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.