Finding the Fourth Proportional to 847,482.24, 1,271,085.12 and 256,368
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Solution
The fourth proportional to 847,482.24, 1,271,085.12 and 256,368 is: 384,510.18
Step by Step Solution
- Step 1: Write the proportion equation
847,482.24 : 1,271,085.12 = 256,368 : x - Step 2: Convert to fraction form
847,482.24/1,271,085.12 = 256,368/x - Step 3: Cross multiply
847,482.24x = 1,271,085.12 × 256,368 - Step 4: Simplify right side
847,482.24x = 325,865,550,044.16 - Step 5: Solve for x
x = 325,865,550,044.16/847,482.24 - Step 6: Final answer
x = 384,510.18
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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.