Finding the Fourth Proportional to 386,232.24, 579,508.40 and 208,530.36
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Solution
The fourth proportional to 386,232.24, 579,508.40 and 208,530.36 is: 312,881.95
Step by Step Solution
- Step 1: Write the proportion equation
386,232.24 : 579,508.40 = 208,530.36 : x - Step 2: Convert to fraction form
386,232.24/579,508.40 = 208,530.36/x - Step 3: Cross multiply
386,232.24x = 579,508.40 × 208,530.36 - Step 4: Simplify right side
386,232.24x = 120,845,095,275.02 - Step 5: Solve for x
x = 120,845,095,275.02/386,232.24 - Step 6: Final answer
x = 312,881.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.