Finding the Fourth Proportional to 472,177.08, 651,587.82 and 257,312.76
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Solution
The fourth proportional to 472,177.08, 651,587.82 and 257,312.76 is: 355,082.59
Step by Step Solution
- Step 1: Write the proportion equation
472,177.08 : 651,587.82 = 257,312.76 : x - Step 2: Convert to fraction form
472,177.08/651,587.82 = 257,312.76/x - Step 3: Cross multiply
472,177.08x = 651,587.82 × 257,312.76 - Step 4: Simplify right side
472,177.08x = 167,661,860,346.58 - Step 5: Solve for x
x = 167,661,860,346.58/472,177.08 - Step 6: Final answer
x = 355,082.59
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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.