Finding the Fourth Proportional to 358,403.01, 537,303.20 and 239,712.09
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Solution
The fourth proportional to 358,403.01, 537,303.20 and 239,712.09 is: 359,366.60
Step by Step Solution
- Step 1: Write the proportion equation
358,403.01 : 537,303.20 = 239,712.09 : x - Step 2: Convert to fraction form
358,403.01/537,303.20 = 239,712.09/x - Step 3: Cross multiply
358,403.01x = 537,303.20 × 239,712.09 - Step 4: Simplify right side
358,403.01x = 128,798,073,518.76 - Step 5: Solve for x
x = 128,798,073,518.76/358,403.01 - Step 6: Final answer
x = 359,366.60
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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.