Finding the Fourth Proportional to 242,319.97, 334,432.95 and 138,994.48
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Solution
The fourth proportional to 242,319.97, 334,432.95 and 138,994.48 is: 191,830.39
Step by Step Solution
- Step 1: Write the proportion equation
242,319.97 : 334,432.95 = 138,994.48 : x - Step 2: Convert to fraction form
242,319.97/334,432.95 = 138,994.48/x - Step 3: Cross multiply
242,319.97x = 334,432.95 × 138,994.48 - Step 4: Simplify right side
242,319.97x = 46,484,332,307.95 - Step 5: Solve for x
x = 46,484,332,307.95/242,319.97 - Step 6: Final answer
x = 191,830.39
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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.