Finding the Fourth Proportional to 472,815.55, 652,503.75 and 268,885.09
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Solution
The fourth proportional to 472,815.55, 652,503.75 and 268,885.09 is: 371,071.82
Step by Step Solution
- Step 1: Write the proportion equation
472,815.55 : 652,503.75 = 268,885.09 : x - Step 2: Convert to fraction form
472,815.55/652,503.75 = 268,885.09/x - Step 3: Cross multiply
472,815.55x = 652,503.75 × 268,885.09 - Step 4: Simplify right side
472,815.55x = 175,448,526,281.57 - Step 5: Solve for x
x = 175,448,526,281.57/472,815.55 - Step 6: Final answer
x = 371,071.82
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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.