Finding the Fourth Proportional to 548,656.74, 822,901.93 and 149,328.63
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Solution
The fourth proportional to 548,656.74, 822,901.93 and 149,328.63 is: 223,970.31
Step by Step Solution
- Step 1: Write the proportion equation
548,656.74 : 822,901.93 = 149,328.63 : x - Step 2: Convert to fraction form
548,656.74/822,901.93 = 149,328.63/x - Step 3: Cross multiply
548,656.74x = 822,901.93 × 149,328.63 - Step 4: Simplify right side
548,656.74x = 122,882,817,831.26 - Step 5: Solve for x
x = 122,882,817,831.26/548,656.74 - Step 6: Final answer
x = 223,970.31
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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.