Finding the Fourth Proportional to 423,726.60, 584,746.92 and 230,138.08
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Solution
The fourth proportional to 423,726.60, 584,746.92 and 230,138.08 is: 317,592.84
Step by Step Solution
- Step 1: Write the proportion equation
423,726.60 : 584,746.92 = 230,138.08 : x - Step 2: Convert to fraction form
423,726.60/584,746.92 = 230,138.08/x - Step 3: Cross multiply
423,726.60x = 584,746.92 × 230,138.08 - Step 4: Simplify right side
423,726.60x = 134,572,533,454.71 - Step 5: Solve for x
x = 134,572,533,454.71/423,726.60 - Step 6: Final answer
x = 317,592.84
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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.