Finding the Fourth Proportional to 430,638.88, 593,665.76 and 302,918.08
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Solution
The fourth proportional to 430,638.88, 593,665.76 and 302,918.08 is: 417,593.72
Step by Step Solution
- Step 1: Write the proportion equation
430,638.88 : 593,665.76 = 302,918.08 : x - Step 2: Convert to fraction form
430,638.88/593,665.76 = 302,918.08/x - Step 3: Cross multiply
430,638.88x = 593,665.76 × 302,918.08 - Step 4: Simplify right side
430,638.88x = 179,832,092,180.94 - Step 5: Solve for x
x = 179,832,092,180.94/430,638.88 - Step 6: Final answer
x = 417,593.72
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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.