Finding the Fourth Proportional to 346,689.18, 519,145.98 and 239,925.32
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Solution
The fourth proportional to 346,689.18, 519,145.98 and 239,925.32 is: 359,273.59
Step by Step Solution
- Step 1: Write the proportion equation
346,689.18 : 519,145.98 = 239,925.32 : x - Step 2: Convert to fraction form
346,689.18/519,145.98 = 239,925.32/x - Step 3: Cross multiply
346,689.18x = 519,145.98 × 239,925.32 - Step 4: Simplify right side
346,689.18x = 124,556,265,378.21 - Step 5: Solve for x
x = 124,556,265,378.21/346,689.18 - Step 6: Final answer
x = 359,273.59
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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.