Finding the Fourth Proportional to 472,639.95, 652,130.94 and 268,674.75
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Solution
The fourth proportional to 472,639.95, 652,130.94 and 268,674.75 is: 370,707.38
Step by Step Solution
- Step 1: Write the proportion equation
472,639.95 : 652,130.94 = 268,674.75 : x - Step 2: Convert to fraction form
472,639.95/652,130.94 = 268,674.75/x - Step 3: Cross multiply
472,639.95x = 652,130.94 × 268,674.75 - Step 4: Simplify right side
472,639.95x = 175,211,117,271.77 - Step 5: Solve for x
x = 175,211,117,271.77/472,639.95 - Step 6: Final answer
x = 370,707.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.