Finding the Fourth Proportional to 302,603.19, 452,640.56 and 212,639.55
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Solution
The fourth proportional to 302,603.19, 452,640.56 and 212,639.55 is: 318,070.95
Step by Step Solution
- Step 1: Write the proportion equation
302,603.19 : 452,640.56 = 212,639.55 : x - Step 2: Convert to fraction form
302,603.19/452,640.56 = 212,639.55/x - Step 3: Cross multiply
302,603.19x = 452,640.56 × 212,639.55 - Step 4: Simplify right side
302,603.19x = 96,249,283,926.95 - Step 5: Solve for x
x = 96,249,283,926.95/302,603.19 - Step 6: Final answer
x = 318,070.95
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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.