Finding the Fourth Proportional to 578,330.18, 867,473.65 and 151,862.14
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Solution
The fourth proportional to 578,330.18, 867,473.65 and 151,862.14 is: 227,787.54
Step by Step Solution
- Step 1: Write the proportion equation
578,330.18 : 867,473.65 = 151,862.14 : x - Step 2: Convert to fraction form
578,330.18/867,473.65 = 151,862.14/x - Step 3: Cross multiply
578,330.18x = 867,473.65 × 151,862.14 - Step 4: Simplify right side
578,330.18x = 131,736,406,156.78 - Step 5: Solve for x
x = 131,736,406,156.78/578,330.18 - Step 6: Final answer
x = 227,787.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.