Finding the Fourth Proportional to 864,317.59, 1,296,465.95 and 224,564.70
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Solution
The fourth proportional to 864,317.59, 1,296,465.95 and 224,564.70 is: 336,844.35
Step by Step Solution
- Step 1: Write the proportion equation
864,317.59 : 1,296,465.95 = 224,564.70 : x - Step 2: Convert to fraction form
864,317.59/1,296,465.95 = 224,564.70/x - Step 3: Cross multiply
864,317.59x = 1,296,465.95 × 224,564.70 - Step 4: Simplify right side
864,317.59x = 291,140,492,545.12 - Step 5: Solve for x
x = 291,140,492,545.12/864,317.59 - Step 6: Final answer
x = 336,844.35
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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.