Finding the Fourth Proportional to 472,548.59, 708,726.21 and 135,498.95
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Solution
The fourth proportional to 472,548.59, 708,726.21 and 135,498.95 is: 203,220.70
Step by Step Solution
- Step 1: Write the proportion equation
472,548.59 : 708,726.21 = 135,498.95 : x - Step 2: Convert to fraction form
472,548.59/708,726.21 = 135,498.95/x - Step 3: Cross multiply
472,548.59x = 708,726.21 × 135,498.95 - Step 4: Simplify right side
472,548.59x = 96,031,657,292.48 - Step 5: Solve for x
x = 96,031,657,292.48/472,548.59 - Step 6: Final answer
x = 203,220.70
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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.