Finding the Fourth Proportional to 354,159.68, 488,726.08 and 193,011.26
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Solution
The fourth proportional to 354,159.68, 488,726.08 and 193,011.26 is: 266,347.75
Step by Step Solution
- Step 1: Write the proportion equation
354,159.68 : 488,726.08 = 193,011.26 : x - Step 2: Convert to fraction form
354,159.68/488,726.08 = 193,011.26/x - Step 3: Cross multiply
354,159.68x = 488,726.08 × 193,011.26 - Step 4: Simplify right side
354,159.68x = 94,329,633,569.50 - Step 5: Solve for x
x = 94,329,633,569.50/354,159.68 - Step 6: Final answer
x = 266,347.75
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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.