Finding the Fourth Proportional to 472,225.77, 651,679.62 and 257,377.62
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Solution
The fourth proportional to 472,225.77, 651,679.62 and 257,377.62 is: 355,185.51
Step by Step Solution
- Step 1: Write the proportion equation
472,225.77 : 651,679.62 = 257,377.62 : x - Step 2: Convert to fraction form
472,225.77/651,679.62 = 257,377.62/x - Step 3: Cross multiply
472,225.77x = 651,679.62 × 257,377.62 - Step 4: Simplify right side
472,225.77x = 167,727,749,598.10 - Step 5: Solve for x
x = 167,727,749,598.10/472,225.77 - Step 6: Final answer
x = 355,185.51
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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.