Finding the Fourth Proportional to 552,551.84, 762,468.09 and 310,918.04
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Solution
The fourth proportional to 552,551.84, 762,468.09 and 310,918.04 is: 429,036.82
Step by Step Solution
- Step 1: Write the proportion equation
552,551.84 : 762,468.09 = 310,918.04 : x - Step 2: Convert to fraction form
552,551.84/762,468.09 = 310,918.04/x - Step 3: Cross multiply
552,551.84x = 762,468.09 × 310,918.04 - Step 4: Simplify right side
552,551.84x = 237,065,084,105.34 - Step 5: Solve for x
x = 237,065,084,105.34/552,551.84 - Step 6: Final answer
x = 429,036.82
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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.