Finding the Fourth Proportional to 616,358.95, 850,558.98 and 344,429.08
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Solution
The fourth proportional to 616,358.95, 850,558.98 and 344,429.08 is: 475,302.98
Step by Step Solution
- Step 1: Write the proportion equation
616,358.95 : 850,558.98 = 344,429.08 : x - Step 2: Convert to fraction form
616,358.95/850,558.98 = 344,429.08/x - Step 3: Cross multiply
616,358.95x = 850,558.98 × 344,429.08 - Step 4: Simplify right side
616,358.95x = 292,957,246,967.14 - Step 5: Solve for x
x = 292,957,246,967.14/616,358.95 - Step 6: Final answer
x = 475,302.98
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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.