Finding the Fourth Proportional to 452,208.81, 624,055.47 and 248,278.53
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Solution
The fourth proportional to 452,208.81, 624,055.47 and 248,278.53 is: 342,628.39
Step by Step Solution
- Step 1: Write the proportion equation
452,208.81 : 624,055.47 = 248,278.53 : x - Step 2: Convert to fraction form
452,208.81/624,055.47 = 248,278.53/x - Step 3: Cross multiply
452,208.81x = 624,055.47 × 248,278.53 - Step 4: Simplify right side
452,208.81x = 154,939,574,730.06 - Step 5: Solve for x
x = 154,939,574,730.06/452,208.81 - Step 6: Final answer
x = 342,628.39
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1.5x scale
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.