Finding the Fourth Proportional to 276,332.08, 381,335.58 and 153,822.52
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Solution
The fourth proportional to 276,332.08, 381,335.58 and 153,822.52 is: 212,273.58
Step by Step Solution
- Step 1: Write the proportion equation
276,332.08 : 381,335.58 = 153,822.52 : x - Step 2: Convert to fraction form
276,332.08/381,335.58 = 153,822.52/x - Step 3: Cross multiply
276,332.08x = 381,335.58 × 153,822.52 - Step 4: Simplify right side
276,332.08x = 58,657,999,881.26 - Step 5: Solve for x
x = 58,657,999,881.26/276,332.08 - Step 6: Final answer
x = 212,273.58
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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.