Finding the Fourth Proportional to 318,275.17, 439,210.97 and 175,035.21
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Solution
The fourth proportional to 318,275.17, 439,210.97 and 175,035.21 is: 241,543.77
Step by Step Solution
- Step 1: Write the proportion equation
318,275.17 : 439,210.97 = 175,035.21 : x - Step 2: Convert to fraction form
318,275.17/439,210.97 = 175,035.21/x - Step 3: Cross multiply
318,275.17x = 439,210.97 × 175,035.21 - Step 4: Simplify right side
318,275.17x = 76,877,382,502.42 - Step 5: Solve for x
x = 76,877,382,502.42/318,275.17 - Step 6: Final answer
x = 241,543.77
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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.