Finding the Fourth Proportional to 493,347.08, 680,818.95 and 266,992.58
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Solution
The fourth proportional to 493,347.08, 680,818.95 and 266,992.58 is: 368,449.75
Step by Step Solution
- Step 1: Write the proportion equation
493,347.08 : 680,818.95 = 266,992.58 : x - Step 2: Convert to fraction form
493,347.08/680,818.95 = 266,992.58/x - Step 3: Cross multiply
493,347.08x = 680,818.95 × 266,992.58 - Step 4: Simplify right side
493,347.08x = 181,773,604,569.30 - Step 5: Solve for x
x = 181,773,604,569.30/493,347.08 - Step 6: Final answer
x = 368,449.75
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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.