Finding the Fourth Proportional to 463,904.58, 640,177.47 and 272,930.26
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Solution
The fourth proportional to 463,904.58, 640,177.47 and 272,930.26 is: 376,637.38
Step by Step Solution
- Step 1: Write the proportion equation
463,904.58 : 640,177.47 = 272,930.26 : x - Step 2: Convert to fraction form
463,904.58/640,177.47 = 272,930.26/x - Step 3: Cross multiply
463,904.58x = 640,177.47 × 272,930.26 - Step 4: Simplify right side
463,904.58x = 174,723,803,333.24 - Step 5: Solve for x
x = 174,723,803,333.24/463,904.58 - Step 6: Final answer
x = 376,637.38
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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.