Finding the Fourth Proportional to 987,219.95, 1,480,829.93 and 239,265.95
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Solution
The fourth proportional to 987,219.95, 1,480,829.93 and 239,265.95 is: 358,898.92
Step by Step Solution
- Step 1: Write the proportion equation
987,219.95 : 1,480,829.93 = 239,265.95 : x - Step 2: Convert to fraction form
987,219.95/1,480,829.93 = 239,265.95/x - Step 3: Cross multiply
987,219.95x = 1,480,829.93 × 239,265.95 - Step 4: Simplify right side
987,219.95x = 354,312,171,389.40 - Step 5: Solve for x
x = 354,312,171,389.40/987,219.95 - Step 6: Final answer
x = 358,898.92
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Similar ratio
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1.5x scale
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.