Finding the Fourth Proportional to 472,972.98, 652,716.54 and 258,126.84
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Solution
The fourth proportional to 472,972.98, 652,716.54 and 258,126.84 is: 356,222.59
Step by Step Solution
- Step 1: Write the proportion equation
472,972.98 : 652,716.54 = 258,126.84 : x - Step 2: Convert to fraction form
472,972.98/652,716.54 = 258,126.84/x - Step 3: Cross multiply
472,972.98x = 652,716.54 × 258,126.84 - Step 4: Simplify right side
472,972.98x = 168,483,657,885.93 - Step 5: Solve for x
x = 168,483,657,885.93/472,972.98 - Step 6: Final answer
x = 356,222.59
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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.