Finding the Fourth Proportional to 472,312.60, 651,781.02 and 257,444.44
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Solution
The fourth proportional to 472,312.60, 651,781.02 and 257,444.44 is: 355,267.68
Step by Step Solution
- Step 1: Write the proportion equation
472,312.60 : 651,781.02 = 257,444.44 : x - Step 2: Convert to fraction form
472,312.60/651,781.02 = 257,444.44/x - Step 3: Cross multiply
472,312.60x = 651,781.02 × 257,444.44 - Step 4: Simplify right side
472,312.60x = 167,797,399,696.53 - Step 5: Solve for x
x = 167,797,399,696.53/472,312.60 - Step 6: Final answer
x = 355,267.68
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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.