Finding the Fourth Proportional to 501,780.42, 692,433.36 and 272,332.53
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Solution
The fourth proportional to 501,780.42, 692,433.36 and 272,332.53 is: 375,806.07
Step by Step Solution
- Step 1: Write the proportion equation
501,780.42 : 692,433.36 = 272,332.53 : x - Step 2: Convert to fraction form
501,780.42/692,433.36 = 272,332.53/x - Step 3: Cross multiply
501,780.42x = 692,433.36 × 272,332.53 - Step 4: Simplify right side
501,780.42x = 188,572,128,785.20 - Step 5: Solve for x
x = 188,572,128,785.20/501,780.42 - Step 6: Final answer
x = 375,806.07
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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.