Finding the Fourth Proportional to 377,055.36, 520,349.76 and 207,302.40
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Solution
The fourth proportional to 377,055.36, 520,349.76 and 207,302.40 is: 286,084.66
Step by Step Solution
- Step 1: Write the proportion equation
377,055.36 : 520,349.76 = 207,302.40 : x - Step 2: Convert to fraction form
377,055.36/520,349.76 = 207,302.40/x - Step 3: Cross multiply
377,055.36x = 520,349.76 × 207,302.40 - Step 4: Simplify right side
377,055.36x = 107,869,754,087.42 - Step 5: Solve for x
x = 107,869,754,087.42/377,055.36 - Step 6: Final answer
x = 286,084.66
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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.